2979191 has 2 divisors, whose sum is σ = 2979192. Its totient is φ = 2979190.

The previous prime is 2979173. The next prime is 2979227. The reversal of 2979191 is 1919792.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2979191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2979091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489595 + 1489596.

It is an arithmetic number, because the mean of its divisors is an integer number (1489596).

2^2979191 is an apocalyptic number.

2979191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979191 is an equidigital number, since it uses as much as digits as its factorization.

2979191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 38.

The square root of 2979191 is about 1726.0333136994. The cubic root of 2979191 is about 143.8907189141.

The spelling of 2979191 in words is "two million, nine hundred seventy-nine thousand, one hundred ninety-one".