685674232 has 32 divisors (see below), whose sum is σ = 1322295120. Its totient is φ = 333089280.

The previous prime is 685674217. The next prime is 685674233. The reversal of 685674232 is 232476586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685674233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288007 + ... + 290377.

Almost surely, 2^685674232 is an apocalyptic number.

It is an amenable number.

685674232 is a deficient number, since it is larger than the sum of its proper divisors (636620888).

685674232 is a wasteful number, since it uses less digits than its factorization.

685674232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3387 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 685674232 is about 26185.3820289107. The cubic root of 685674232 is about 881.8051067128.

The spelling of 685674232 in words is "six hundred eighty-five million, six hundred seventy-four thousand, two hundred thirty-two".