631492 has 12 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 308936.

The previous prime is 631487. The next prime is 631507. The reversal of 631492 is 294136.

It is an unprimeable number.

631492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (94080).

2⁶³¹⁴⁹² is an apocalyptic number.

It is an amenable number.

631492 is a deficient number, since it is larger than the sum of its proper divisors (497468).

631492 is a wasteful number, since it uses less digits than its factorization.

631492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3408 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 631492 is about 794.6647091698. The cubic root of 631492 is about 85.7938092660.

The spelling of 631492 in words is "six hundred thirty-one thousand, four hundred ninety-two".