8653872 has 20 divisors (see below), whose sum is σ = 22355960. Its totient is φ = 2884608.

The previous prime is 8653859. The next prime is 8653877. The reversal of 8653872 is 2783568.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 8653872.

It is not an unprimeable number, because it can be changed into a prime (8653877) 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, 90097 + ... + 90192.

It is an arithmetic number, because the mean of its divisors is an integer number (1117798).

Almost surely, 2^8653872 is an apocalyptic number.

It is an amenable number.

8653872 is an abundant number, since it is smaller than the sum of its proper divisors (13702088).

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

8653872 is a wasteful number, since it uses less digits than its factorization.

8653872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180300 (or 180294 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 8653872 is about 2941.7464200709. The cubic root of 8653872 is about 205.3068733356.

The spelling of 8653872 in words is "eight million, six hundred fifty-three thousand, eight hundred seventy-two".