631642596 has 24 divisors (see below), whose sum is σ = 1587204864. Its totient is φ = 194351520.

The previous prime is 631642579. The next prime is 631642603. The reversal of 631642596 is 695246136.

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, 2024340 + ... + 2024651.

It is an arithmetic number, because the mean of its divisors is an integer number (66133536).

Almost surely, 2^631642596 is an apocalyptic number.

It is an amenable number.

631642596 is an abundant number, since it is smaller than the sum of its proper divisors (955562268).

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

631642596 is a wasteful number, since it uses less digits than its factorization.

631642596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049011 (or 4049009 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 631642596 is about 25132.5007908087. The cubic root of 631642596 is about 858.0062865966.

The spelling of 631642596 in words is "six hundred thirty-one million, six hundred forty-two thousand, five hundred ninety-six".