3115947 has 16 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 1933440.

The previous prime is 3115933. The next prime is 3115991. The reversal of 3115947 is 7495113.

It is not a de Polignac number, because 3115947 - 2⁶ = 3115883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3115907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5172 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (277992).

Almost surely, 2^3115947 is an apocalyptic number.

3115947 is a deficient number, since it is larger than the sum of its proper divisors (1331925).

3115947 is a wasteful number, since it uses less digits than its factorization.

3115947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its digits is 3780, while the sum is 30.

The square root of 3115947 is about 1765.2045207284. The cubic root of 3115947 is about 146.0595709867.

The spelling of 3115947 in words is "three million, one hundred fifteen thousand, nine hundred forty-seven".