631461344 has 24 divisors (see below), whose sum is σ = 1258173000. Its totient is φ = 311925376.

The previous prime is 631461329. The next prime is 631461361. The reversal of 631461344 is 443164136.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 631461344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116219 + ... + 121530.

It is an arithmetic number, because the mean of its divisors is an integer number (52423875).

Almost surely, 2^631461344 is an apocalyptic number.

It is an amenable number.

631461344 is a deficient number, since it is larger than the sum of its proper divisors (626711656).

631461344 is a wasteful number, since it uses less digits than its factorization.

631461344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237842 (or 237834 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 631461344 is about 25128.8946036231. The cubic root of 631461344 is about 857.9242094673.

The spelling of 631461344 in words is "six hundred thirty-one million, four hundred sixty-one thousand, three hundred forty-four".