634382964 has 36 divisors (see below), whose sum is σ = 1673302176. Its totient is φ = 202266768.

The previous prime is 634382951. The next prime is 634382993. The reversal of 634382964 is 469283436.

634382964 is a `hidden beast` number, since 634 + 3 + 8 + 2 + 9 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382254 + ... + 383909.

It is an arithmetic number, because the mean of its divisors is an integer number (46480616).

Almost surely, 2^634382964 is an apocalyptic number.

It is an amenable number.

634382964 is an abundant number, since it is smaller than the sum of its proper divisors (1038919212).

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

634382964 is a wasteful number, since it uses less digits than its factorization.

634382964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766196 (or 766191 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 634382964 is about 25186.9601976896. The cubic root of 634382964 is about 859.2453105169.

The spelling of 634382964 in words is "six hundred thirty-four million, three hundred eighty-two thousand, nine hundred sixty-four".