8633864 has 8 divisors (see below), whose sum is σ = 16188510. Its totient is φ = 4316928.

The previous prime is 8633861. The next prime is 8633869. The reversal of 8633864 is 4683368.

It can be written as a sum of positive squares in only one way, i.e., 6041764 + 2592100 = 2458^2 + 1610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8633861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539609 + ... + 539624.

Almost surely, 2^8633864 is an apocalyptic number.

It is an amenable number.

8633864 is a deficient number, since it is larger than the sum of its proper divisors (7554646).

8633864 is a wasteful number, since it uses less digits than its factorization.

8633864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079239 (or 1079235 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 8633864 is about 2938.3437511632. The cubic root of 8633864 is about 205.1485261140.

The spelling of 8633864 in words is "eight million, six hundred thirty-three thousand, eight hundred sixty-four".