8695889 has 2 divisors, whose sum is σ = 8695890. Its totient is φ = 8695888.

The previous prime is 8695879. The next prime is 8695927. The reversal of 8695889 is 9885968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4695889 + 4000000 = 2167^2 + 2000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8695889 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8695889.

It is not a weakly prime, because it can be changed into another prime (8695849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4347944 + 4347945.

It is an arithmetic number, because the mean of its divisors is an integer number (4347945).

Almost surely, 2^8695889 is an apocalyptic number.

It is an amenable number.

8695889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8695889 is an equidigital number, since it uses as much as digits as its factorization.

8695889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 53.

The square root of 8695889 is about 2948.8792786413. The cubic root of 8695889 is about 205.6386113624.

The spelling of 8695889 in words is "eight million, six hundred ninety-five thousand, eight hundred eighty-nine".