8688625 has 32 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 6160000.

The previous prime is 8688613. The next prime is 8688629. The reversal of 8688625 is 5268868.

It is a happy number.

It is not a de Polignac number, because 8688625 - 2⁵ = 8688593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8688629) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 97581 + ... + 97669.

It is an arithmetic number, because the mean of its divisors is an integer number (379080).

Almost surely, 2^8688625 is an apocalyptic number.

It is an amenable number.

8688625 is a deficient number, since it is larger than the sum of its proper divisors (3441935).

8688625 is a wasteful number, since it uses less digits than its factorization.

8688625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 176 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 8688625 is about 2947.6473669691. The cubic root of 8688625 is about 205.5813362140.

The spelling of 8688625 in words is "eight million, six hundred eighty-eight thousand, six hundred twenty-five".