631974096 has 160 divisors (see below), whose sum is σ = 1999733120. Its totient is φ = 189858816.

The previous prime is 631974073. The next prime is 631974131. The reversal of 631974096 is 690479136.

631974096 is a `hidden beast` number, since 631 + 9 + 7 + 4 + 0 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 240180 + ... + 242796.

It is an arithmetic number, because the mean of its divisors is an integer number (12498332).

Almost surely, 2^631974096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631974096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999866560).

631974096 is an abundant number, since it is smaller than the sum of its proper divisors (1367759024).

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

631974096 is a wasteful number, since it uses less digits than its factorization.

631974096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 631974096 is about 25139.0949717765. The cubic root of 631974096 is about 858.1563605688.

The spelling of 631974096 in words is "six hundred thirty-one million, nine hundred seventy-four thousand, ninety-six".