3117688 has 16 divisors (see below), whose sum is σ = 6680880. Its totient is φ = 1336128.

The previous prime is 3117683. The next prime is 3117713. The reversal of 3117688 is 8867113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27781 + ... + 27892.

It is an arithmetic number, because the mean of its divisors is an integer number (417555).

Almost surely, 2^3117688 is an apocalyptic number.

It is an amenable number.

3117688 is an abundant number, since it is smaller than the sum of its proper divisors (3563192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3117688 is a wasteful number, since it uses less digits than its factorization.

3117688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55686 (or 55682 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 3117688 is about 1765.6975958527. The cubic root of 3117688 is about 146.0867689640.

The spelling of 3117688 in words is "three million, one hundred seventeen thousand, six hundred eighty-eight".