631967104 has 32 divisors (see below), whose sum is σ = 1293033600. Its totient is φ = 307441152.

The previous prime is 631967093. The next prime is 631967117. The reversal of 631967104 is 401769136.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 61984 + ... + 71455.

It is an arithmetic number, because the mean of its divisors is an integer number (40407300).

Almost surely, 2^631967104 is an apocalyptic number.

631967104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

631967104 is an abundant number, since it is smaller than the sum of its proper divisors (661066496).

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

631967104 is a wasteful number, since it uses less digits than its factorization.

631967104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133490 (or 133478 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 631967104 is about 25138.9559051286. The cubic root of 631967104 is about 858.1531957496.

The spelling of 631967104 in words is "six hundred thirty-one million, nine hundred sixty-seven thousand, one hundred four".