631886332 has 48 divisors (see below), whose sum is σ = 1381121280. Its totient is φ = 245750400.

The previous prime is 631886327. The next prime is 631886347. The reversal of 631886332 is 233688136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211344 + ... + 214312.

It is an arithmetic number, because the mean of its divisors is an integer number (28773360).

Almost surely, 2^631886332 is an apocalyptic number.

It is an amenable number.

631886332 is an abundant number, since it is smaller than the sum of its proper divisors (749234948).

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

631886332 is a wasteful number, since it uses less digits than its factorization.

631886332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3680 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 631886332 is about 25137.3493431587. The cubic root of 631886332 is about 858.1166338765.

The spelling of 631886332 in words is "six hundred thirty-one million, eight hundred eighty-six thousand, three hundred thirty-two".