8638364 has 24 divisors (see below), whose sum is σ = 17605728. Its totient is φ = 3631680.

The previous prime is 8638349. The next prime is 8638373. The reversal of 8638364 is 4638368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427 + ... + 4394.

It is an arithmetic number, because the mean of its divisors is an integer number (733572).

Almost surely, 2^8638364 is an apocalyptic number.

It is an amenable number.

8638364 is an abundant number, since it is smaller than the sum of its proper divisors (8967364).

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

8638364 is a wasteful number, since it uses less digits than its factorization.

8638364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885 (or 5883 counting only the distinct ones).

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

The square root of 8638364 is about 2939.1093889136. The cubic root of 8638364 is about 205.1841612992.

The spelling of 8638364 in words is "eight million, six hundred thirty-eight thousand, three hundred sixty-four".