2390565 has 32 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 1198080.

The previous prime is 2390543. The next prime is 2390579. The reversal of 2390565 is 5650932.

It is not a de Polignac number, because 2390565 - 2⁸ = 2390309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24597 + ... + 24693.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

2^2390565 is an apocalyptic number.

It is an amenable number.

2390565 is a deficient number, since it is larger than the sum of its proper divisors (1673691).

2390565 is a wasteful number, since it uses less digits than its factorization.

2390565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 2390565 is about 1546.1452066349. The cubic root of 2390565 is about 133.7109123850.

The spelling of 2390565 in words is "two million, three hundred ninety thousand, five hundred sixty-five".