6464444 has 12 divisors (see below), whose sum is σ = 12928944. Its totient is φ = 2770464.

The previous prime is 6464431. The next prime is 6464483. The reversal of 6464444 is 4444646.

6464444 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

6464444 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

6464444 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 6464444.

It is a congruent number.

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, 115409 + ... + 115464.

It is an arithmetic number, because the mean of its divisors is an integer number (1077412).

Almost surely, 2^6464444 is an apocalyptic number.

It is an amenable number.

6464444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6464444 is a wasteful number, since it uses less digits than its factorization.

6464444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230884 (or 230882 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 6464444 is about 2542.5270893345. The cubic root of 6464444 is about 186.2846452975.

The spelling of 6464444 in words is "six million, four hundred sixty-four thousand, four hundred forty-four".