631348376 has 16 divisors (see below), whose sum is σ = 1184868000. Its totient is φ = 315383584.

The previous prime is 631348373. The next prime is 631348391. The reversal of 631348376 is 673843136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631348373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26951 + ... + 44598.

It is an arithmetic number, because the mean of its divisors is an integer number (74054250).

Almost surely, 2^631348376 is an apocalyptic number.

It is an amenable number.

631348376 is a deficient number, since it is larger than the sum of its proper divisors (553519624).

631348376 is a wasteful number, since it uses less digits than its factorization.

631348376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72658 (or 72654 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 631348376 is about 25126.6467321049. The cubic root of 631348376 is about 857.8730457325.

The spelling of 631348376 in words is "six hundred thirty-one million, three hundred forty-eight thousand, three hundred seventy-six".