8639104 has 16 divisors (see below), whose sum is σ = 17210970. Its totient is φ = 4319488.

The previous prime is 8639089. The next prime is 8639107. The reversal of 8639104 is 4019368.

It can be written as a sum of positive squares in only one way, i.e., 5569600 + 3069504 = 2360^2 + 1752^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8639107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33619 + ... + 33874.

Almost surely, 2^8639104 is an apocalyptic number.

It is an amenable number.

8639104 is a deficient number, since it is larger than the sum of its proper divisors (8571866).

8639104 is an equidigital number, since it uses as much as digits as its factorization.

8639104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67507 (or 67495 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8639104 is about 2939.2352746931. The cubic root of 8639104 is about 205.1900201224.

The spelling of 8639104 in words is "eight million, six hundred thirty-nine thousand, one hundred four".