8867864 has 16 divisors (see below), whose sum is σ = 17077200. Its totient is φ = 4313952.

The previous prime is 8867861. The next prime is 8867869. The reversal of 8867864 is 4687688.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8867861) 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, 14684 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (1067325).

Almost surely, 2^8867864 is an apocalyptic number.

It is an amenable number.

8867864 is a deficient number, since it is larger than the sum of its proper divisors (8209336).

8867864 is a wasteful number, since it uses less digits than its factorization.

8867864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002 (or 29998 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 8867864 is about 2977.8959014714. The cubic root of 8867864 is about 206.9853817460.

The spelling of 8867864 in words is "eight million, eight hundred sixty-seven thousand, eight hundred sixty-four".