3115688 has 8 divisors (see below), whose sum is σ = 5841930. Its totient is φ = 1557840.

The previous prime is 3115667. The next prime is 3115727. The reversal of 3115688 is 8865113.

3115688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 1036324 = 1442^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194723 + ... + 194738.

Almost surely, 2^3115688 is an apocalyptic number.

It is an amenable number.

3115688 is a deficient number, since it is larger than the sum of its proper divisors (2726242).

3115688 is a wasteful number, since it uses less digits than its factorization.

3115688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389467 (or 389463 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 3115688 is about 1765.1311566000. The cubic root of 3115688 is about 146.0555240119.

The spelling of 3115688 in words is "three million, one hundred fifteen thousand, six hundred eighty-eight".