2040564 has 12 divisors (see below), whose sum is σ = 4761344. Its totient is φ = 680184.

The previous prime is 2040559. The next prime is 2040593. The reversal of 2040564 is 4650402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2040564.

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, 85012 + ... + 85035.

2^2040564 is an apocalyptic number.

It is an amenable number.

2040564 is an abundant number, since it is smaller than the sum of its proper divisors (2720780).

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

2040564 is a wasteful number, since it uses less digits than its factorization.

2040564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170054 (or 170052 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2040564 is about 1428.4831115558. The cubic root of 2040564 is about 126.8382009644.

Adding to 2040564 its reverse (4650402), we get a palindrome (6690966).

The spelling of 2040564 in words is "two million, forty thousand, five hundred sixty-four".