8388864 has 108 divisors (see below), whose sum is σ = 26465712. Its totient is φ = 2534400.

The previous prime is 8388857. The next prime is 8388881. The reversal of 8388864 is 4688838.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25179 + ... + 25509.

Almost surely, 2^8388864 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 8388864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13232856).

8388864 is an abundant number, since it is smaller than the sum of its proper divisors (18076848).

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

8388864 is a wasteful number, since it uses less digits than its factorization.

8388864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 347 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 8388864 is about 2896.3535695768. The cubic root of 8388864 is about 203.1894015594.

The spelling of 8388864 in words is "eight million, three hundred eighty-eight thousand, eight hundred sixty-four".