3117889 has 2 divisors, whose sum is σ = 3117890. Its totient is φ = 3117888.

The previous prime is 3117853. The next prime is 3117899. The reversal of 3117889 is 9887113.

3117889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2862864 + 255025 = 1692^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117889 - 2¹³ = 3109697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3117809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558944 + 1558945.

It is an arithmetic number, because the mean of its divisors is an integer number (1558945).

Almost surely, 2^3117889 is an apocalyptic number.

It is an amenable number.

3117889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117889 is an equidigital number, since it uses as much as digits as its factorization.

3117889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 3117889 is about 1765.7545129491. The cubic root of 3117889 is about 146.0899083427.

The spelling of 3117889 in words is "three million, one hundred seventeen thousand, eight hundred eighty-nine".