8698813 has 2 divisors, whose sum is σ = 8698814. Its totient is φ = 8698812.

The previous prime is 8698801. The next prime is 8698819. The reversal of 8698813 is 3188968.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6744409 + 1954404 = 2597^2 + 1398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8698813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8698813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8698819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4349406 + 4349407.

It is an arithmetic number, because the mean of its divisors is an integer number (4349407).

Almost surely, 2^8698813 is an apocalyptic number.

It is an amenable number.

8698813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8698813 is an equidigital number, since it uses as much as digits as its factorization.

8698813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 43.

The square root of 8698813 is about 2949.3750185421. The cubic root of 8698813 is about 205.6616574982.

The spelling of 8698813 in words is "eight million, six hundred ninety-eight thousand, eight hundred thirteen".