8816623 has 2 divisors, whose sum is σ = 8816624. Its totient is φ = 8816622.

The previous prime is 8816611. The next prime is 8816629. The reversal of 8816623 is 3266188.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8816623 is a prime.

It is a super-2 number, since 2×8816623² = 155465682248258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8816629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4408311 + 4408312.

It is an arithmetic number, because the mean of its divisors is an integer number (4408312).

Almost surely, 2^8816623 is an apocalyptic number.

8816623 is a deficient number, since it is larger than the sum of its proper divisors (1).

8816623 is an equidigital number, since it uses as much as digits as its factorization.

8816623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 8816623 is about 2969.2798790279. The cubic root of 8816623 is about 206.5859382351.

The spelling of 8816623 in words is "eight million, eight hundred sixteen thousand, six hundred twenty-three".