2872566 has 24 divisors (see below), whose sum is σ = 6439680. Its totient is φ = 924336.

The previous prime is 2872559. The next prime is 2872577. The reversal of 2872566 is 6652782.

2872566 is a `hidden beast` number, since 28 + 72 + 566 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2872566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2230 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (268320).

2^2872566 is an apocalyptic number.

2872566 is an abundant number, since it is smaller than the sum of its proper divisors (3567114).

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

2872566 is a wasteful number, since it uses less digits than its factorization.

2872566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 5537 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2872566 is about 1694.8645963616. The cubic root of 2872566 is about 142.1532102879.

The spelling of 2872566 in words is "two million, eight hundred seventy-two thousand, five hundred sixty-six".