2993791 has 2 divisors, whose sum is σ = 2993792. Its totient is φ = 2993790.

The previous prime is 2993723. The next prime is 2993797. The reversal of 2993791 is 1973992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2993791 - 2⁷ = 2993663 is a prime.

2993791 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2993797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496895 + 1496896.

It is an arithmetic number, because the mean of its divisors is an integer number (1496896).

2^2993791 is an apocalyptic number.

2993791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2993791 is an equidigital number, since it uses as much as digits as its factorization.

2993791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 40.

The square root of 2993791 is about 1730.2574952879. The cubic root of 2993791 is about 144.1253891130.

The spelling of 2993791 in words is "two million, nine hundred ninety-three thousand, seven hundred ninety-one".