8872644 has 24 divisors (see below), whose sum is σ = 22585248. Its totient is φ = 2688640.

The previous prime is 8872631. The next prime is 8872649. The reversal of 8872644 is 4462788.

It is not an unprimeable number, because it can be changed into a prime (8872649) 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, 33477 + ... + 33740.

It is an arithmetic number, because the mean of its divisors is an integer number (941052).

Almost surely, 2^8872644 is an apocalyptic number.

It is an amenable number.

8872644 is an abundant number, since it is smaller than the sum of its proper divisors (13712604).

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

8872644 is a wasteful number, since it uses less digits than its factorization.

8872644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67235 (or 67233 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 8872644 is about 2978.6983734511. The cubic root of 8872644 is about 207.0225651613.

The spelling of 8872644 in words is "eight million, eight hundred seventy-two thousand, six hundred forty-four".