2979791 has 4 divisors (see below), whose sum is σ = 2995584. Its totient is φ = 2964000.

The previous prime is 2979773. The next prime is 2979797. The reversal of 2979791 is 1979792.

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 2979791 - 2¹⁴ = 2963407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979797) 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, 7610 + ... + 7991.

It is an arithmetic number, because the mean of its divisors is an integer number (748896).

2^2979791 is an apocalyptic number.

2979791 is a deficient number, since it is larger than the sum of its proper divisors (15793).

2979791 is a wasteful number, since it uses less digits than its factorization.

2979791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792.

The product of its digits is 71442, while the sum is 44.

The square root of 2979791 is about 1726.2071138771. The cubic root of 2979791 is about 143.9003779833.

Subtracting from 2979791 its reverse (1979792), we obtain a palindrome (999999).

The spelling of 2979791 in words is "two million, nine hundred seventy-nine thousand, seven hundred ninety-one".