634425624 has 48 divisors (see below), whose sum is σ = 1963699920. Its totient is φ = 181264320.

The previous prime is 634425619. The next prime is 634425653. The reversal of 634425624 is 426524436.

634425624 is a `hidden beast` number, since 6 + 3 + 4 + 4 + 25 + 624 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628887 + ... + 629894.

It is an arithmetic number, because the mean of its divisors is an integer number (40910415).

Almost surely, 2^634425624 is an apocalyptic number.

It is an amenable number.

634425624 is an abundant number, since it is smaller than the sum of its proper divisors (1329274296).

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

634425624 is a wasteful number, since it uses less digits than its factorization.

634425624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258800 (or 1258793 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 634425624 is about 25187.8070502376. The cubic root of 634425624 is about 859.2645704831.

The spelling of 634425624 in words is "six hundred thirty-four million, four hundred twenty-five thousand, six hundred twenty-four".