8870565 has 32 divisors (see below), whose sum is σ = 15912576. Its totient is φ = 4181760.

The previous prime is 8870551. The next prime is 8870567. The reversal of 8870565 is 5650788.

It is a happy number.

8870565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8870565 - 2⁹ = 8870053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8870567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5379 + ... + 6831.

It is an arithmetic number, because the mean of its divisors is an integer number (497268).

Almost surely, 2^8870565 is an apocalyptic number.

It is an amenable number.

8870565 is a deficient number, since it is larger than the sum of its proper divisors (7042011).

8870565 is a wasteful number, since it uses less digits than its factorization.

8870565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 8870565 is about 2978.3493750734. The cubic root of 8870565 is about 207.0063943508.

The spelling of 8870565 in words is "eight million, eight hundred seventy thousand, five hundred sixty-five".