8698681 has 2 divisors, whose sum is σ = 8698682. Its totient is φ = 8698680.

The previous prime is 8698673. The next prime is 8698699. The reversal of 8698681 is 1868968.

8698681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 4326400 = 2091^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 8698681 - 2³ = 8698673 is a prime.

It is a super-2 number, since 2×8698681² = 151334102279522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8698621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4349340 + 4349341.

It is an arithmetic number, because the mean of its divisors is an integer number (4349341).

Almost surely, 2^8698681 is an apocalyptic number.

It is an amenable number.

8698681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8698681 is an equidigital number, since it uses as much as digits as its factorization.

8698681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 46.

The square root of 8698681 is about 2949.3526408349. The cubic root of 8698681 is about 205.6606172231.

The spelling of 8698681 in words is "eight million, six hundred ninety-eight thousand, six hundred eighty-one".