8069904 has 30 divisors (see below), whose sum is σ = 22584926. Its totient is φ = 2689920.

The previous prime is 8069899. The next prime is 8069911. The reversal of 8069904 is 4099608.

It can be written as a sum of positive squares in only one way, i.e., 7551504 + 518400 = 2748^2 + 720^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27877 + ... + 28164.

Almost surely, 2^8069904 is an apocalyptic number.

It is an amenable number.

8069904 is an abundant number, since it is smaller than the sum of its proper divisors (14515022).

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

8069904 is a wasteful number, since it uses less digits than its factorization.

8069904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56055 (or 56046 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 8069904 is about 2840.7576454179. The cubic root of 8069904 is about 200.5808447969.

The spelling of 8069904 in words is "eight million, sixty-nine thousand, nine hundred four".