634020604 has 36 divisors (see below), whose sum is σ = 1325583336. Its totient is φ = 264376224.

The previous prime is 634020601. The next prime is 634020613. The reversal of 634020604 is 406020436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634020601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36462 + ... + 50965.

Almost surely, 2^634020604 is an apocalyptic number.

It is an amenable number.

634020604 is an abundant number, since it is smaller than the sum of its proper divisors (691562732).

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

634020604 is a wasteful number, since it uses less digits than its factorization.

634020604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87482 (or 87473 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 634020604 is about 25179.7657653919. The cubic root of 634020604 is about 859.0816788467.

The spelling of 634020604 in words is "six hundred thirty-four million, twenty thousand, six hundred four".