8504004 has 12 divisors (see below), whose sum is σ = 19842704. Its totient is φ = 2834664.

The previous prime is 8503993. The next prime is 8504021. The reversal of 8504004 is 4004058.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354322 + ... + 354345.

Almost surely, 2^8504004 is an apocalyptic number.

It is an amenable number.

8504004 is an abundant number, since it is smaller than the sum of its proper divisors (11338700).

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

8504004 is a wasteful number, since it uses less digits than its factorization.

8504004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708674 (or 708672 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 8504004 is about 2916.1625469099. The cubic root of 8504004 is about 204.1147950597.

The spelling of 8504004 in words is "eight million, five hundred four thousand, four".