972631 has 8 divisors (see below), whose sum is σ = 1098000. Its totient is φ = 853440.

The previous prime is 972623. The next prime is 972637. The reversal of 972631 is 136279.

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

It is a cyclic number.

It is not a de Polignac number, because 972631 - 2³ = 972623 is a prime.

It is a super-2 number, since 2×972631² = 1892022124322, which contains 22 as substring.

It is a Duffinian number.

972631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 972631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (137250).

2⁹⁷²⁶³¹ is an apocalyptic number.

972631 is a deficient number, since it is larger than the sum of its proper divisors (125369).

972631 is a wasteful number, since it uses less digits than its factorization.

972631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

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

The square root of 972631 is about 986.2205635658. The cubic root of 972631 is about 99.0792481808.

The spelling of 972631 in words is "nine hundred seventy-two thousand, six hundred thirty-one".