631882628 has 48 divisors (see below), whose sum is σ = 1214713920. Its totient is φ = 285842304.

The previous prime is 631882619. The next prime is 631882631. The reversal of 631882628 is 826288136.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020503 + ... + 1021121.

It is an arithmetic number, because the mean of its divisors is an integer number (25306540).

Almost surely, 2^631882628 is an apocalyptic number.

It is an amenable number.

631882628 is a deficient number, since it is larger than the sum of its proper divisors (582831292).

631882628 is a wasteful number, since it uses less digits than its factorization.

631882628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 994 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 631882628 is about 25137.2756678205. The cubic root of 631882628 is about 858.1149571666.

The spelling of 631882628 in words is "six hundred thirty-one million, eight hundred eighty-two thousand, six hundred twenty-eight".