631374 has 8 divisors (see below), whose sum is σ = 1262760. Its totient is φ = 210456.

The previous prime is 631361. The next prime is 631387. The reversal of 631374 is 473136.

It is an interprime number because it is at equal distance from previous prime (631361) and next prime (631387).

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

631374 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 52609 + ... + 52620.

It is an arithmetic number, because the mean of its divisors is an integer number (157845).

2⁶³¹³⁷⁴ is an apocalyptic number.

631374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

631374 is a wasteful number, since it uses less digits than its factorization.

631374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105234.

The product of its digits is 1512, while the sum is 24.

The square root of 631374 is about 794.5904605518. The cubic root of 631374 is about 85.7884651497.

The spelling of 631374 in words is "six hundred thirty-one thousand, three hundred seventy-four".