634914656 has 24 divisors (see below), whose sum is σ = 1259838720. Its totient is φ = 314955648.

The previous prime is 634914641. The next prime is 634914677. The reversal of 634914656 is 656419436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74051 + ... + 82178.

It is an arithmetic number, because the mean of its divisors is an integer number (52493280).

Almost surely, 2^634914656 is an apocalyptic number.

It is an amenable number.

634914656 is a deficient number, since it is larger than the sum of its proper divisors (624924064).

634914656 is a wasteful number, since it uses less digits than its factorization.

634914656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156366 (or 156358 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 634914656 is about 25197.5128931409. The cubic root of 634914656 is about 859.4852950422.

The spelling of 634914656 in words is "six hundred thirty-four million, nine hundred fourteen thousand, six hundred fifty-six".