8638925 has 24 divisors (see below), whose sum is σ = 11284992. Its totient is φ = 6552000.

The previous prime is 8638909. The next prime is 8638933. The reversal of 8638925 is 5298368.

8638925 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8638925 - 2⁴ = 8638909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54947 + ... + 55103.

It is an arithmetic number, because the mean of its divisors is an integer number (470208).

Almost surely, 2^8638925 is an apocalyptic number.

It is an amenable number.

8638925 is a deficient number, since it is larger than the sum of its proper divisors (2646067).

8638925 is a wasteful number, since it uses less digits than its factorization.

8638925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 264 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 8638925 is about 2939.2048244381. The cubic root of 8638925 is about 205.1886029513.

The spelling of 8638925 in words is "eight million, six hundred thirty-eight thousand, nine hundred twenty-five".