6464456 has 16 divisors (see below), whose sum is σ = 12147840. Its totient is φ = 3225040.

The previous prime is 6464431. The next prime is 6464483. The reversal of 6464456 is 6544646.

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, 6641 + ... + 7551.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

Almost surely, 2^6464456 is an apocalyptic number.

It is an amenable number.

6464456 is a deficient number, since it is larger than the sum of its proper divisors (5683384).

6464456 is a wasteful number, since it uses less digits than its factorization.

6464456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1800 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 6464456 is about 2542.5294491903. The cubic root of 6464456 is about 186.2847605646.

The spelling of 6464456 in words is "six million, four hundred sixty-four thousand, four hundred fifty-six".