2765564 has 12 divisors (see below), whose sum is σ = 5094600. Its totient is φ = 1309968.

The previous prime is 2765551. The next prime is 2765579. The reversal of 2765564 is 4655672.

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, 18119 + ... + 18270.

It is an arithmetic number, because the mean of its divisors is an integer number (424550).

2^2765564 is an apocalyptic number.

It is an amenable number.

2765564 is a deficient number, since it is larger than the sum of its proper divisors (2329036).

2765564 is a wasteful number, since it uses less digits than its factorization.

2765564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36412 (or 36410 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 2765564 is about 1662.9984966920. The cubic root of 2765564 is about 140.3657781924.

The spelling of 2765564 in words is "two million, seven hundred sixty-five thousand, five hundred sixty-four".