2564464 has 30 divisors (see below), whose sum is σ = 5781624. Its totient is φ = 1098720.

The previous prime is 2564459. The next prime is 2564489. The reversal of 2564464 is 4644652.

2564464 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852 + ... + 2419.

2^2564464 is an apocalyptic number.

It is an amenable number.

2564464 is an abundant number, since it is smaller than the sum of its proper divisors (3217160).

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

2564464 is a wasteful number, since it uses less digits than its factorization.

2564464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3280 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 2564464 is about 1601.3943923968. The cubic root of 2564464 is about 136.8775434429.

The spelling of 2564464 in words is "two million, five hundred sixty-four thousand, four hundred sixty-four".