904031312 has 20 divisors (see below), whose sum is σ = 1792296000. Its totient is φ = 441503328.

The previous prime is 904031311. The next prime is 904031333. The reversal of 904031312 is 213130409.

It is a super-2 number, since 2×904031312² = 1634545226152882688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904031311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656312 + ... + 657687.

It is an arithmetic number, because the mean of its divisors is an integer number (89614800).

Almost surely, 2^904031312 is an apocalyptic number.

It is an amenable number.

904031312 is a deficient number, since it is larger than the sum of its proper divisors (888264688).

904031312 is a wasteful number, since it uses less digits than its factorization.

904031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314050 (or 1314044 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 904031312 is about 30067.1134630513. The cubic root of 904031312 is about 966.9287890562.

The spelling of 904031312 in words is "nine hundred four million, thirty-one thousand, three hundred twelve".