2623564 has 12 divisors (see below), whose sum is σ = 4791024. Its totient is φ = 1254704.

The previous prime is 2623531. The next prime is 2623567. The reversal of 2623564 is 4653262.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 2¹⁷ + 3¹² + 5⁹ + 6⁵ + 4² .

It is not an unprimeable number, because it can be changed into a prime (2623567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14167 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (399252).

2^2623564 is an apocalyptic number.

It is an amenable number.

2623564 is a deficient number, since it is larger than the sum of its proper divisors (2167460).

2623564 is a wasteful number, since it uses less digits than its factorization.

2623564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28544 (or 28542 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 2623564 is about 1619.7419547570. The cubic root of 2623564 is about 137.9210498491.

The spelling of 2623564 in words is "two million, six hundred twenty-three thousand, five hundred sixty-four".