631959412 has 24 divisors (see below), whose sum is σ = 1266285440. Its totient is φ = 270332640.

The previous prime is 631959403. The next prime is 631959413. The reversal of 631959412 is 214959136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631959413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5712 + ... + 36007.

Almost surely, 2^631959412 is an apocalyptic number.

It is an amenable number.

631959412 is an abundant number, since it is smaller than the sum of its proper divisors (634326028).

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

631959412 is a wasteful number, since it uses less digits than its factorization.

631959412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42271 (or 42269 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 631959412 is about 25138.8029150157. The cubic root of 631959412 is about 858.1497140593.

The spelling of 631959412 in words is "six hundred thirty-one million, nine hundred fifty-nine thousand, four hundred twelve".