8863872 has 64 divisors (see below), whose sum is σ = 24161760. Its totient is φ = 2877440.

The previous prime is 8863837. The next prime is 8863909. The reversal of 8863872 is 2783688.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15463 + ... + 16025.

Almost surely, 2^8863872 is an apocalyptic number.

8863872 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8863872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12080880).

8863872 is an abundant number, since it is smaller than the sum of its proper divisors (15297888).

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

8863872 is a wasteful number, since it uses less digits than its factorization.

8863872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 609 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 8863872 is about 2977.2255541023. The cubic root of 8863872 is about 206.9543179083.

The spelling of 8863872 in words is "eight million, eight hundred sixty-three thousand, eight hundred seventy-two".