631362960 has 60 divisors (see below), whose sum is σ = 2120329692. Its totient is φ = 168363264.

The previous prime is 631362959. The next prime is 631362961. The reversal of 631362960 is 69263136.

It is an interprime number because it is at equal distance from previous prime (631362959) and next prime (631362961).

It can be written as a sum of positive squares in 2 ways, for example, as 410305536 + 221057424 = 20256^2 + 14868^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (631362961) 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 11 ways as a sum of consecutive naturals, for example, 437727 + ... + 439166.

Almost surely, 2^631362960 is an apocalyptic number.

631362960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631362960 is an abundant number, since it is smaller than the sum of its proper divisors (1488966732).

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

631362960 is a wasteful number, since it uses less digits than its factorization.

631362960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876912 (or 876903 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 631362960 is about 25126.9369402639. The cubic root of 631362960 is about 857.8796512373.

The spelling of 631362960 in words is "six hundred thirty-one million, three hundred sixty-two thousand, nine hundred sixty".