634631612 has 48 divisors (see below), whose sum is σ = 1155772800. Its totient is φ = 304764480.

The previous prime is 634631603. The next prime is 634631623. The reversal of 634631612 is 216136436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506162 + ... + 3506342.

It is an arithmetic number, because the mean of its divisors is an integer number (24078600).

Almost surely, 2^634631612 is an apocalyptic number.

It is an amenable number.

634631612 is a deficient number, since it is larger than the sum of its proper divisors (521141188).

634631612 is a wasteful number, since it uses less digits than its factorization.

634631612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 504 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 634631612 is about 25191.8957603432. The cubic root of 634631612 is about 859.3575569740.

The spelling of 634631612 in words is "six hundred thirty-four million, six hundred thirty-one thousand, six hundred twelve".