6404574 has 16 divisors (see below), whose sum is σ = 13973760. Its totient is φ = 1940760.

The previous prime is 6404551. The next prime is 6404581. The reversal of 6404574 is 4754046.

It is a Curzon number.

It is a congruent 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, 48454 + ... + 48585.

It is an arithmetic number, because the mean of its divisors is an integer number (873360).

Almost surely, 2^6404574 is an apocalyptic number.

6404574 is an abundant number, since it is smaller than the sum of its proper divisors (7569186).

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

6404574 is a wasteful number, since it uses less digits than its factorization.

6404574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97055.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 6404574 is about 2530.7259827962. The cubic root of 6404574 is about 185.7077732853.

The spelling of 6404574 in words is "six million, four hundred four thousand, five hundred seventy-four".