8816393 has 4 divisors (see below), whose sum is σ = 8823828. Its totient is φ = 8808960.

The previous prime is 8816359. The next prime is 8816447. The reversal of 8816393 is 3936188.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1352569 + 7463824 = 1163^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 8816393 - 2¹⁴ = 8800009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8816303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 4457.

It is an arithmetic number, because the mean of its divisors is an integer number (2205957).

Almost surely, 2^8816393 is an apocalyptic number.

It is an amenable number.

8816393 is a deficient number, since it is larger than the sum of its proper divisors (7435).

8816393 is a wasteful number, since it uses less digits than its factorization.

8816393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434.

The product of its digits is 31104, while the sum is 38.

The square root of 8816393 is about 2969.2411488459. The cubic root of 8816393 is about 206.5841418112.

The spelling of 8816393 in words is "eight million, eight hundred sixteen thousand, three hundred ninety-three".