8638804 has 6 divisors (see below), whose sum is σ = 15117914. Its totient is φ = 4319400.

The previous prime is 8638733. The next prime is 8638807. The reversal of 8638804 is 4088368.

It can be written as a sum of positive squares in only one way, i.e., 7828804 + 810000 = 2798^2 + 900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8638807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079847 + ... + 1079854.

Almost surely, 2^8638804 is an apocalyptic number.

It is an amenable number.

8638804 is a deficient number, since it is larger than the sum of its proper divisors (6479110).

8638804 is a wasteful number, since it uses less digits than its factorization.

8638804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159705 (or 2159703 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 8638804 is about 2939.1842405674. The cubic root of 8638804 is about 205.1876449641.

The spelling of 8638804 in words is "eight million, six hundred thirty-eight thousand, eight hundred four".