3116689 has 2 divisors, whose sum is σ = 3116690. Its totient is φ = 3116688.

The previous prime is 3116671. The next prime is 3116693. The reversal of 3116689 is 9866113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 1134225 = 1408^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 3116689 - 2⁵ = 3116657 is a prime.

It is not a weakly prime, because it can be changed into another prime (3116609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558344 + 1558345.

It is an arithmetic number, because the mean of its divisors is an integer number (1558345).

Almost surely, 2^3116689 is an apocalyptic number.

It is an amenable number.

3116689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116689 is an equidigital number, since it uses as much as digits as its factorization.

3116689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 3116689 is about 1765.4146821639. The cubic root of 3116689 is about 146.0711637812.

The spelling of 3116689 in words is "three million, one hundred sixteen thousand, six hundred eighty-nine".