2564364 has 24 divisors (see below), whose sum is σ = 6527808. Its totient is φ = 777040.

The previous prime is 2564363. The next prime is 2564369. The reversal of 2564364 is 4634652.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2564363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9582 + ... + 9845.

It is an arithmetic number, because the mean of its divisors is an integer number (271992).

2^2564364 is an apocalyptic number.

It is an amenable number.

2564364 is an abundant number, since it is smaller than the sum of its proper divisors (3963444).

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

2564364 is a wasteful number, since it uses less digits than its factorization.

2564364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445 (or 19443 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 2564364 is about 1601.3631693030. The cubic root of 2564364 is about 136.8757642625.

The spelling of 2564364 in words is "two million, five hundred sixty-four thousand, three hundred sixty-four".