3117739 has 2 divisors, whose sum is σ = 3117740. Its totient is φ = 3117738.

The previous prime is 3117721. The next prime is 3117781. The reversal of 3117739 is 9377113.

It is a weak prime.

It is an emirp because it is prime and its reverse (9377113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3117739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3117739.

It is not a weakly prime, because it can be changed into another prime (3117799) 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, 1558869 + 1558870.

It is an arithmetic number, because the mean of its divisors is an integer number (1558870).

Almost surely, 2^3117739 is an apocalyptic number.

3117739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117739 is an equidigital number, since it uses as much as digits as its factorization.

3117739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 31.

The square root of 3117739 is about 1765.7120376777. The cubic root of 3117739 is about 146.0875655355.

The spelling of 3117739 in words is "three million, one hundred seventeen thousand, seven hundred thirty-nine".