6404584 has 8 divisors (see below), whose sum is σ = 12008610. Its totient is φ = 3202288.

The previous prime is 6404581. The next prime is 6404591. The reversal of 6404584 is 4854046.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 44100 = 2522^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6404581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400279 + ... + 400294.

Almost surely, 2^6404584 is an apocalyptic number.

It is an amenable number.

6404584 is a deficient number, since it is larger than the sum of its proper divisors (5604026).

6404584 is a wasteful number, since it uses less digits than its factorization.

6404584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800579 (or 800575 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 6404584 is about 2530.7279585131. The cubic root of 6404584 is about 185.7078699390.

The spelling of 6404584 in words is "six million, four hundred four thousand, five hundred eighty-four".