8625864 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 2654016.

The previous prime is 8625853. The next prime is 8625889. The reversal of 8625864 is 4685268.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13512 + ... + 14135.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^8625864 is an apocalyptic number.

It is an amenable number.

8625864 is an abundant number, since it is smaller than the sum of its proper divisors (14598456).

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

8625864 is a wasteful number, since it uses less digits than its factorization.

8625864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669 (or 27665 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 8625864 is about 2936.9821245626. The cubic root of 8625864 is about 205.0851440883.

The spelling of 8625864 in words is "eight million, six hundred twenty-five thousand, eight hundred sixty-four".