631900248 has 64 divisors (see below), whose sum is σ = 1827221760. Its totient is φ = 178363776.

The previous prime is 631900219. The next prime is 631900253. The reversal of 631900248 is 842009136.

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 15 ways as a sum of consecutive naturals, for example, 8715 + ... + 36602.

It is an arithmetic number, because the mean of its divisors is an integer number (28550340).

Almost surely, 2^631900248 is an apocalyptic number.

It is an amenable number.

631900248 is an abundant number, since it is smaller than the sum of its proper divisors (1195321512).

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

631900248 is a wasteful number, since it uses less digits than its factorization.

631900248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45416 (or 45412 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 631900248 is about 25137.6261409068. The cubic root of 631900248 is about 858.1229332496.

The spelling of 631900248 in words is "six hundred thirty-one million, nine hundred thousand, two hundred forty-eight".