2319791 has 2 divisors, whose sum is σ = 2319792. Its totient is φ = 2319790.

The previous prime is 2319787. The next prime is 2319809. The reversal of 2319791 is 1979132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2319791 - 2² = 2319787 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2319731) 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, 1159895 + 1159896.

It is an arithmetic number, because the mean of its divisors is an integer number (1159896).

2^2319791 is an apocalyptic number.

2319791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2319791 is an equidigital number, since it uses as much as digits as its factorization.

2319791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 32.

The square root of 2319791 is about 1523.0860120164. The cubic root of 2319791 is about 132.3781435735.

The spelling of 2319791 in words is "two million, three hundred nineteen thousand, seven hundred ninety-one".