8618864 has 20 divisors (see below), whose sum is σ = 17681904. Its totient is φ = 4055808.

The previous prime is 8618861. The next prime is 8618867. The reversal of 8618864 is 4688168.

It is an interprime number because it is at equal distance from previous prime (8618861) and next prime (8618867).

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8618861) 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, 15572 + ... + 16115.

Almost surely, 2^8618864 is an apocalyptic number.

It is an amenable number.

8618864 is an abundant number, since it is smaller than the sum of its proper divisors (9063040).

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

8618864 is a wasteful number, since it uses less digits than its factorization.

8618864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31712 (or 31706 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 8618864 is about 2935.7901832386. The cubic root of 8618864 is about 205.0296526608.

The spelling of 8618864 in words is "eight million, six hundred eighteen thousand, eight hundred sixty-four".