8813857 has 6 divisors (see below), whose sum is σ = 9544182. Its totient is φ = 8135712.

The previous prime is 8813821. The next prime is 8813867. The reversal of 8813857 is 7583188.

It can be written as a sum of positive squares in 3 ways, for example, as 968256 + 7845601 = 984^2 + 2801^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8813857 is a prime.

It is a Duffinian number.

8813857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8813867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25908 + ... + 26245.

It is an arithmetic number, because the mean of its divisors is an integer number (1590697).

Almost surely, 2^8813857 is an apocalyptic number.

It is an amenable number.

8813857 is a deficient number, since it is larger than the sum of its proper divisors (730325).

8813857 is a wasteful number, since it uses less digits than its factorization.

8813857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52179 (or 52166 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 8813857 is about 2968.8140729928. The cubic root of 8813857 is about 206.5643322124.

The spelling of 8813857 in words is "eight million, eight hundred thirteen thousand, eight hundred fifty-seven".