5688689 has 2 divisors, whose sum is σ = 5688690. Its totient is φ = 5688688.

The previous prime is 5688679. The next prime is 5688701. The reversal of 5688689 is 9868865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5678689 + 10000 = 2383^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 5688689 - 2¹² = 5684593 is a prime.

It is a super-2 number, since 2×5688689² = 64722365077442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5688679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2844344 + 2844345.

It is an arithmetic number, because the mean of its divisors is an integer number (2844345).

Almost surely, 2^5688689 is an apocalyptic number.

It is an amenable number.

5688689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5688689 is an equidigital number, since it uses as much as digits as its factorization.

5688689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 50.

The square root of 5688689 is about 2385.0972726495. The cubic root of 5688689 is about 178.5133625150.

The spelling of 5688689 in words is "five million, six hundred eighty-eight thousand, six hundred eighty-nine".