8413865 has 16 divisors (see below), whose sum is σ = 10974720. Its totient is φ = 6168960.

The previous prime is 8413859. The next prime is 8413891. The reversal of 8413865 is 5683148.

It is not a de Polignac number, because 8413865 - 2⁴ = 8413849 is a prime.

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, 1517 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (685920).

Almost surely, 2^8413865 is an apocalyptic number.

It is an amenable number.

8413865 is a deficient number, since it is larger than the sum of its proper divisors (2560855).

8413865 is a wasteful number, since it uses less digits than its factorization.

8413865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912.

The product of its digits is 23040, while the sum is 35.

The square root of 8413865 is about 2900.6663027656. Note that the first 3 decimals coincide. The cubic root of 8413865 is about 203.3910538154.

The spelling of 8413865 in words is "eight million, four hundred thirteen thousand, eight hundred sixty-five".