8658972 has 36 divisors (see below), whose sum is σ = 25015536. Its totient is φ = 2473920.

The previous prime is 8658961. The next prime is 8658977. The reversal of 8658972 is 2798568.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8658977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16929 + ... + 17432.

It is an arithmetic number, because the mean of its divisors is an integer number (694876).

Almost surely, 2^8658972 is an apocalyptic number.

It is an amenable number.

8658972 is an abundant number, since it is smaller than the sum of its proper divisors (16356564).

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

8658972 is a wasteful number, since it uses less digits than its factorization.

8658972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34378 (or 34373 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 8658972 is about 2942.6131244185. The cubic root of 8658972 is about 205.3471966896.

The spelling of 8658972 in words is "eight million, six hundred fifty-eight thousand, nine hundred seventy-two".