8813216 has 24 divisors (see below), whose sum is σ = 17951220. Its totient is φ = 4254208.

The previous prime is 8813171. The next prime is 8813221. The reversal of 8813216 is 6123188.

8813216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 633616 = 2860^2 + 796^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3821 + ... + 5676.

Almost surely, 2^8813216 is an apocalyptic number.

It is an amenable number.

8813216 is an abundant number, since it is smaller than the sum of its proper divisors (9138004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8813216 is a wasteful number, since it uses less digits than its factorization.

8813216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536 (or 9528 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 8813216 is about 2968.7061154651. The cubic root of 8813216 is about 206.5593245316.

The spelling of 8813216 in words is "eight million, eight hundred thirteen thousand, two hundred sixteen".