3116791 has 4 divisors (see below), whose sum is σ = 3137584. Its totient is φ = 3096000.

The previous prime is 3116783. The next prime is 3116807. The reversal of 3116791 is 1976113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3116791 - 2³ = 3116783 is a prime.

It is a super-2 number, since 2×3116791² = 19428772275362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116761) 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, 10170 + ... + 10471.

It is an arithmetic number, because the mean of its divisors is an integer number (784396).

Almost surely, 2^3116791 is an apocalyptic number.

3116791 is a deficient number, since it is larger than the sum of its proper divisors (20793).

3116791 is a wasteful number, since it uses less digits than its factorization.

3116791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792.

The product of its digits is 1134, while the sum is 28.

The square root of 3116791 is about 1765.4435703245. The cubic root of 3116791 is about 146.0727572561.

The spelling of 3116791 in words is "three million, one hundred sixteen thousand, seven hundred ninety-one".