2562644 has 24 divisors (see below), whose sum is σ = 5396160. Its totient is φ = 1040256.

The previous prime is 2562641. The next prime is 2562661. The reversal of 2562644 is 4462652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562641) 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, 1877 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (224840).

2^2562644 is an apocalyptic number.

It is an amenable number.

2562644 is an abundant number, since it is smaller than the sum of its proper divisors (2833516).

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

2562644 is a wasteful number, since it uses less digits than its factorization.

2562644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847 (or 4845 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2562644 is about 1600.8260367698. The cubic root of 2562644 is about 136.8451551173.

The spelling of 2562644 in words is "two million, five hundred sixty-two thousand, six hundred forty-four".