631882 has 8 divisors (see below), whose sum is σ = 953316. Its totient is φ = 314112.

The previous prime is 631867. The next prime is 631889. The reversal of 631882 is 288136.

It can be written as a sum of positive squares in 2 ways, for example, as 516961 + 114921 = 719^2 + 339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 631882.

It is not an unprimeable number, because it can be changed into a prime (631889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433 + ... + 1204.

2⁶³¹⁸⁸² is an apocalyptic number.

631882 is a deficient number, since it is larger than the sum of its proper divisors (321434).

631882 is a wasteful number, since it uses less digits than its factorization.

631882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 2304, while the sum is 28.

The square root of 631882 is about 794.9100578053. The cubic root of 631882 is about 85.8114672886.

It can be divided in two parts, 63188 and 2, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 631882 in words is "six hundred thirty-one thousand, eight hundred eighty-two".