634372684 has 24 divisors (see below), whose sum is σ = 1274817600. Its totient is φ = 273174480.

The previous prime is 634372649. The next prime is 634372723. The reversal of 634372684 is 486273436.

It is a happy number.

634372684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 634372684.

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, 378574 + ... + 380245.

It is an arithmetic number, because the mean of its divisors is an integer number (53117400).

Almost surely, 2^634372684 is an apocalyptic number.

It is an amenable number.

634372684 is an abundant number, since it is smaller than the sum of its proper divisors (640444916).

634372684 is a wasteful number, since it uses less digits than its factorization.

634372684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758853 (or 758851 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The square root of 634372684 is about 25186.7561230104. The cubic root of 634372684 is about 859.2406692145.

The spelling of 634372684 in words is "six hundred thirty-four million, three hundred seventy-two thousand, six hundred eighty-four".