3117899 has 2 divisors, whose sum is σ = 3117900. Its totient is φ = 3117898.

The previous prime is 3117889. The next prime is 3117901. The reversal of 3117899 is 9987113.

It is a strong prime.

It is an emirp because it is prime and its reverse (9987113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3117899 - 2¹⁶ = 3052363 is a prime.

Together with 3117901, it forms a pair of twin primes.

It is a Chen 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558949 + 1558950.

It is an arithmetic number, because the mean of its divisors is an integer number (1558950).

Almost surely, 2^3117899 is an apocalyptic number.

3117899 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117899 is an equidigital number, since it uses as much as digits as its factorization.

3117899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 3117899 is about 1765.7573445975. The cubic root of 3117899 is about 146.0900645271.

The spelling of 3117899 in words is "three million, one hundred seventeen thousand, eight hundred ninety-nine".