3116871 has 12 divisors (see below), whose sum is σ = 4525248. Its totient is φ = 2067264.

The previous prime is 3116863. The next prime is 3116873. The reversal of 3116871 is 1786113.

It is not a de Polignac number, because 3116871 - 2³ = 3116863 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

3116871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1231 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (377104).

Almost surely, 2^3116871 is an apocalyptic number.

3116871 is a deficient number, since it is larger than the sum of its proper divisors (1408377).

3116871 is a wasteful number, since it uses less digits than its factorization.

3116871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1779 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 3116871 is about 1765.4662273745. The cubic root of 3116871 is about 146.0740070159.

The spelling of 3116871 in words is "three million, one hundred sixteen thousand, eight hundred seventy-one".