3116637 has 20 divisors (see below), whose sum is σ = 4711740. Its totient is φ = 2052864.

The previous prime is 3116623. The next prime is 3116651. The reversal of 3116637 is 7366113.

It is an interprime number because it is at equal distance from previous prime (3116623) and next prime (3116651).

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 1390041 = 1314^2 + 1179^2 .

It is not a de Polignac number, because 3116637 - 2⁶ = 3116573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3116637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8653 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (235587).

Almost surely, 2^3116637 is an apocalyptic number.

It is an amenable number.

3116637 is a deficient number, since it is larger than the sum of its proper divisors (1595103).

3116637 is a wasteful number, since it uses less digits than its factorization.

3116637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 465 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3116637 is about 1765.3999546845. The cubic root of 3116637 is about 146.0703514082.

The spelling of 3116637 in words is "three million, one hundred sixteen thousand, six hundred thirty-seven".