3136979 has 4 divisors (see below), whose sum is σ = 3209976. Its totient is φ = 3063984.

The previous prime is 3136961. The next prime is 3137003. The reversal of 3136979 is 9796313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9796313 = 523 ⋅18731.

It is a cyclic number.

It is not a de Polignac number, because 3136979 - 2²⁰ = 2088403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3136909) 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, 36434 + ... + 36519.

It is an arithmetic number, because the mean of its divisors is an integer number (802494).

Almost surely, 2^3136979 is an apocalyptic number.

3136979 is a deficient number, since it is larger than the sum of its proper divisors (72997).

3136979 is an equidigital number, since it uses as much as digits as its factorization.

3136979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72996.

The product of its digits is 30618, while the sum is 38.

The square root of 3136979 is about 1771.1518850737. The cubic root of 3136979 is about 146.3874583650.

The spelling of 3136979 in words is "three million, one hundred thirty-six thousand, nine hundred seventy-nine".