3116978 has 16 divisors (see below), whose sum is σ = 4921560. Its totient is φ = 1478400.

The previous prime is 3116977. The next prime is 3116999. The reversal of 3116978 is 8796113.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 1787569 = 1153^2 + 1337^2 .

It is not an unprimeable number, because it can be changed into a prime (3116977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3098 + ... + 3978.

Almost surely, 2^3116978 is an apocalyptic number.

3116978 is a deficient number, since it is larger than the sum of its proper divisors (1804582).

3116978 is a wasteful number, since it uses less digits than its factorization.

3116978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its digits is 9072, while the sum is 35.

The square root of 3116978 is about 1765.4965307244. The cubic root of 3116978 is about 146.0756785362.

The spelling of 3116978 in words is "three million, one hundred sixteen thousand, nine hundred seventy-eight".