634574384 has 40 divisors (see below), whose sum is σ = 1266064800. Its totient is φ = 307929600.

The previous prime is 634574321. The next prime is 634574417. The reversal of 634574384 is 483475436.

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, 128114 + ... + 132974.

It is an arithmetic number, because the mean of its divisors is an integer number (31651620).

Almost surely, 2^634574384 is an apocalyptic number.

It is an amenable number.

634574384 is a deficient number, since it is larger than the sum of its proper divisors (631490416).

634574384 is a wasteful number, since it uses less digits than its factorization.

634574384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109 (or 5103 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The square root of 634574384 is about 25190.7598932624. The cubic root of 634574384 is about 859.3317252990.

The spelling of 634574384 in words is "six hundred thirty-four million, five hundred seventy-four thousand, three hundred eighty-four".