3116947 has 2 divisors, whose sum is σ = 3116948. Its totient is φ = 3116946.

The previous prime is 3116873. The next prime is 3116951. The reversal of 3116947 is 7496113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3116947 - 2⁷ = 3116819 is a prime.

It is not a weakly prime, because it can be changed into another prime (3116977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558473 + 1558474.

It is an arithmetic number, because the mean of its divisors is an integer number (1558474).

Almost surely, 2^3116947 is an apocalyptic number.

3116947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116947 is an equidigital number, since it uses as much as digits as its factorization.

3116947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 3116947 is about 1765.4877513027. The cubic root of 3116947 is about 146.0751942679.

The spelling of 3116947 in words is "three million, one hundred sixteen thousand, nine hundred forty-seven".