8856613 has 2 divisors, whose sum is σ = 8856614. Its totient is φ = 8856612.

The previous prime is 8856593. The next prime is 8856637. The reversal of 8856613 is 3166588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8661249 + 195364 = 2943^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 8856613 - 2⁹ = 8856101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8856713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4428306 + 4428307.

It is an arithmetic number, because the mean of its divisors is an integer number (4428307).

Almost surely, 2^8856613 is an apocalyptic number.

It is an amenable number.

8856613 is a deficient number, since it is larger than the sum of its proper divisors (1).

8856613 is an equidigital number, since it uses as much as digits as its factorization.

8856613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 8856613 is about 2976.0062163914. The cubic root of 8856613 is about 206.8978079288.

Subtracting from 8856613 its sum of digits (37), we obtain a square (8856576 = 2976²).

The spelling of 8856613 in words is "eight million, eight hundred fifty-six thousand, six hundred thirteen".