8655872 has 44 divisors (see below), whose sum is σ = 17686080. Its totient is φ = 4233216.

The previous prime is 8655869. The next prime is 8655877. The reversal of 8655872 is 2785568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8655877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80843 + ... + 80949.

Almost surely, 2^8655872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8655872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8843040).

8655872 is an abundant number, since it is smaller than the sum of its proper divisors (9030208).

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

8655872 is a wasteful number, since it uses less digits than its factorization.

8655872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 188 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 8655872 is about 2942.0863345592. The cubic root of 8655872 is about 205.3226883033.

The spelling of 8655872 in words is "eight million, six hundred fifty-five thousand, eight hundred seventy-two".