2868565 has 16 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 1918080.

The previous prime is 2868557. The next prime is 2868571. The reversal of 2868565 is 5658682.

It is not a de Polignac number, because 2868565 - 2³ = 2868557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436 + ... + 2434.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^2868565 is an apocalyptic number.

It is an amenable number.

2868565 is a deficient number, since it is larger than the sum of its proper divisors (1163435).

2868565 is a wasteful number, since it uses less digits than its factorization.

2868565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

The product of its digits is 115200, while the sum is 40.

The square root of 2868565 is about 1693.6838547970. The cubic root of 2868565 is about 142.0871811397.

It can be divided in two parts, 28 and 68565, that multiplied together give a triangular number (1919820 = T₁₉₅₉).

The spelling of 2868565 in words is "two million, eight hundred sixty-eight thousand, five hundred sixty-five".