631792 has 20 divisors (see below), whose sum is σ = 1399216. Its totient is φ = 270720.

The previous prime is 631789. The next prime is 631817. The reversal of 631792 is 297136.

631792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×631792² = 798322262528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 631792.

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, 2709 + ... + 2932.

2⁶³¹⁷⁹² is an apocalyptic number.

It is an amenable number.

631792 is an abundant number, since it is smaller than the sum of its proper divisors (767424).

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

631792 is a wasteful number, since it uses less digits than its factorization.

631792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656 (or 5650 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 631792 is about 794.8534456112. The cubic root of 631792 is about 85.8073930053.

It can be divided in two parts, 63 and 1792, that multiplied together give a square (112896 = 336²).

The spelling of 631792 in words is "six hundred thirty-one thousand, seven hundred ninety-two".