6464442 has 16 divisors (see below), whose sum is σ = 13106880. Its totient is φ = 2125152.

The previous prime is 6464431. The next prime is 6464483. The reversal of 6464442 is 2444646.

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, 6942 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (819180).

Almost surely, 2^6464442 is an apocalyptic number.

6464442 is an abundant number, since it is smaller than the sum of its proper divisors (6642438).

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

6464442 is a wasteful number, since it uses less digits than its factorization.

6464442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14837.

The product of its digits is 18432, while the sum is 30.

The square root of 6464442 is about 2542.5266960250. The cubic root of 6464442 is about 186.2846260863.

The spelling of 6464442 in words is "six million, four hundred sixty-four thousand, four hundred forty-two".