683955 has 12 divisors (see below), whose sum is σ = 1185600. Its totient is φ = 364752.

The previous prime is 683939. The next prime is 683957. The reversal of 683955 is 559386.

It is not a de Polignac number, because 683955 - 2⁴ = 683939 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (683957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7555 + ... + 7644.

It is an arithmetic number, because the mean of its divisors is an integer number (98800).

2⁶⁸³⁹⁵⁵ is an apocalyptic number.

683955 is a deficient number, since it is larger than the sum of its proper divisors (501645).

683955 is a wasteful number, since it uses less digits than its factorization.

683955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210 (or 15207 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 683955 is about 827.0157193186. The cubic root of 683955 is about 88.1067488988.

The spelling of 683955 in words is "six hundred eighty-three thousand, nine hundred fifty-five".