2566236 has 24 divisors (see below), whose sum is σ = 6065920. Its totient is φ = 844272.

The previous prime is 2566229. The next prime is 2566237. The reversal of 2566236 is 6326652.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁷ + 6² + 6⁷ + 2¹⁹ + 3⁷ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566237) 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, 406 + ... + 2301.

2^2566236 is an apocalyptic number.

It is an amenable number.

2566236 is an abundant number, since it is smaller than the sum of its proper divisors (3499684).

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

2566236 is a wasteful number, since it uses less digits than its factorization.

2566236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2791 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2566236 is about 1601.9475646849. The cubic root of 2566236 is about 136.9090628512.

The spelling of 2566236 in words is "two million, five hundred sixty-six thousand, two hundred thirty-six".