8634972 has 24 divisors (see below), whose sum is σ = 20529936. Its totient is φ = 2823808.

The previous prime is 8634971. The next prime is 8635021. The reversal of 8634972 is 2794368.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8634972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8634971) 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, 6153 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (855414).

Almost surely, 2^8634972 is an apocalyptic number.

It is an amenable number.

8634972 is an abundant number, since it is smaller than the sum of its proper divisors (11894964).

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

8634972 is a wasteful number, since it uses less digits than its factorization.

8634972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13637 (or 13635 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 8634972 is about 2938.5322867037. The cubic root of 8634972 is about 205.1573014373.

The spelling of 8634972 in words is "eight million, six hundred thirty-four thousand, nine hundred seventy-two".