2939191 has 2 divisors, whose sum is σ = 2939192. Its totient is φ = 2939190.

The previous prime is 2939177. The next prime is 2939207. The reversal of 2939191 is 1919392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2939191 - 2⁵ = 2939159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2939171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469595 + 1469596.

It is an arithmetic number, because the mean of its divisors is an integer number (1469596).

2^2939191 is an apocalyptic number.

2939191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939191 is an equidigital number, since it uses as much as digits as its factorization.

2939191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 34.

The square root of 2939191 is about 1714.4068945265. The cubic root of 2939191 is about 143.2438339172.

The spelling of 2939191 in words is "two million, nine hundred thirty-nine thousand, one hundred ninety-one".