3156979 has 4 divisors (see below), whose sum is σ = 3607984. Its totient is φ = 2705976.

The previous prime is 3156977. The next prime is 3156991. The reversal of 3156979 is 9796513.

3156979 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9796513 = 2383 ⋅4111.

It is not a de Polignac number, because 3156979 - 2¹ = 3156977 is a prime.

It is a Duffinian number.

3156979 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3156971) 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, 225492 + ... + 225505.

It is an arithmetic number, because the mean of its divisors is an integer number (901996).

Almost surely, 2^3156979 is an apocalyptic number.

3156979 is a deficient number, since it is larger than the sum of its proper divisors (451005).

3156979 is an equidigital number, since it uses as much as digits as its factorization.

3156979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451004.

The product of its digits is 51030, while the sum is 40.

The square root of 3156979 is about 1776.7889576424. The cubic root of 3156979 is about 146.6979002581.

The spelling of 3156979 in words is "three million, one hundred fifty-six thousand, nine hundred seventy-nine".