6402504 has 32 divisors (see below), whose sum is σ = 16560000. Its totient is φ = 2060352.

The previous prime is 6402493. The next prime is 6402527. The reversal of 6402504 is 4052046.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3904 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (517500).

Almost surely, 2^6402504 is an apocalyptic number.

It is an amenable number.

6402504 is an abundant number, since it is smaller than the sum of its proper divisors (10157496).

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

6402504 is a wasteful number, since it uses less digits than its factorization.

6402504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237 (or 9233 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6402504 is about 2530.3169761909. The cubic root of 6402504 is about 185.6877638091.

The spelling of 6402504 in words is "six million, four hundred two thousand, five hundred four".