2823564 has 24 divisors (see below), whose sum is σ = 6976368. Its totient is φ = 885760.

The previous prime is 2823559. The next prime is 2823589. The reversal of 2823564 is 4653282.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6717 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (290682).

2^2823564 is an apocalyptic number.

It is an amenable number.

2823564 is an abundant number, since it is smaller than the sum of its proper divisors (4152804).

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

2823564 is a wasteful number, since it uses less digits than its factorization.

2823564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865 (or 13863 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2823564 is about 1680.3463928607. The cubic root of 2823564 is about 141.3402576608.

The spelling of 2823564 in words is "two million, eight hundred twenty-three thousand, five hundred sixty-four".