8993864 has 16 divisors (see below), whose sum is σ = 18396720. Its totient is φ = 4088080.

The previous prime is 8993863. The next prime is 8993869. The reversal of 8993864 is 4683998.

It is not an unprimeable number, because it can be changed into a prime (8993861) 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, 51014 + ... + 51189.

It is an arithmetic number, because the mean of its divisors is an integer number (1149795).

Almost surely, 2^8993864 is an apocalyptic number.

It is an amenable number.

8993864 is an abundant number, since it is smaller than the sum of its proper divisors (9402856).

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

8993864 is a wasteful number, since it uses less digits than its factorization.

8993864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102220 (or 102216 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 8993864 is about 2998.9771589660. The cubic root of 8993864 is about 207.9610997273.

The spelling of 8993864 in words is "eight million, nine hundred ninety-three thousand, eight hundred sixty-four".