8815872 has 72 divisors (see below), whose sum is σ = 25296544. Its totient is φ = 2709504.

The previous prime is 8815853. The next prime is 8815889. The reversal of 8815872 is 2785188.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 8815872.

It is a congruent number.

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, 9543 + ... + 10425.

Almost surely, 2^8815872 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 8815872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12648272).

8815872 is an abundant number, since it is smaller than the sum of its proper divisors (16480672).

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

8815872 is a wasteful number, since it uses less digits than its factorization.

8815872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 901 counting only the distinct ones).

The product of its digits is 35840, while the sum is 39.

The square root of 8815872 is about 2969.1534146958. The cubic root of 8815872 is about 206.5800724048.

The spelling of 8815872 in words is "eight million, eight hundred fifteen thousand, eight hundred seventy-two".