634976904 has 32 divisors (see below), whose sum is σ = 1589807520. Its totient is φ = 211343616.

The previous prime is 634976891. The next prime is 634976917. The reversal of 634976904 is 409679436.

634976904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (634976891) and next prime (634976917).

It is a super-2 number, since 2×634976904² = 806391337226850432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977 + ... + 35760.

It is an arithmetic number, because the mean of its divisors is an integer number (49681485).

Almost surely, 2^634976904 is an apocalyptic number.

It is an amenable number.

634976904 is an abundant number, since it is smaller than the sum of its proper divisors (954830616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634976904 is a wasteful number, since it uses less digits than its factorization.

634976904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39429 (or 39425 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 634976904 is about 25198.7480641400. The cubic root of 634976904 is about 859.5133825402.

The spelling of 634976904 in words is "six hundred thirty-four million, nine hundred seventy-six thousand, nine hundred four".