216029 has 8 divisors (see below), whose sum is σ = 241920. Its totient is φ = 191200.

The previous prime is 216023. The next prime is 216037. The reversal of 216029 is 920612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216029 - 2¹² = 211933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 216029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

216029 is a Friedman number, since it can be written as 60^(2+1)+29, using all its digits and the basic arithmetic operations.

2²¹⁶⁰²⁹ is an apocalyptic number.

It is an amenable number.

216029 is a deficient number, since it is larger than the sum of its proper divisors (25891).

216029 is a wasteful number, since it uses less digits than its factorization.

216029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 216029 is about 464.7891995303. The cubic root of 216029 is about 60.0026850650.

The spelling of 216029 in words is "two hundred sixteen thousand, twenty-nine".