6404576 has 24 divisors (see below), whose sum is σ = 12673584. Its totient is φ = 3185920.

The previous prime is 6404551. The next prime is 6404581. The reversal of 6404576 is 6754046.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8036 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (528066).

Almost surely, 2^6404576 is an apocalyptic number.

It is an amenable number.

6404576 is a deficient number, since it is larger than the sum of its proper divisors (6269008).

6404576 is a wasteful number, since it uses less digits than its factorization.

6404576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 6404576 is about 2530.7263779397. The cubic root of 6404576 is about 185.7077926160.

The spelling of 6404576 in words is "six million, four hundred four thousand, five hundred seventy-six".