2865562 has 16 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 1220688.

The previous prime is 2865559. The next prime is 2865581. The reversal of 2865562 is 2655682.

It is a super-2 number, since 2×2865562² = 16422891151688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

2^2865562 is an apocalyptic number.

2865562 is a deficient number, since it is larger than the sum of its proper divisors (2076518).

2865562 is a wasteful number, since it uses less digits than its factorization.

2865562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its digits is 28800, while the sum is 34.

The square root of 2865562 is about 1692.7970935703. The cubic root of 2865562 is about 142.0375818004.

The spelling of 2865562 in words is "two million, eight hundred sixty-five thousand, five hundred sixty-two".