2993491 has 2 divisors, whose sum is σ = 2993492. Its totient is φ = 2993490.

The previous prime is 2993447. The next prime is 2993521. The reversal of 2993491 is 1943992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2993491 - 2⁷ = 2993363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2993491.

It is not a weakly prime, because it can be changed into another prime (2993591) 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, 1496745 + 1496746.

It is an arithmetic number, because the mean of its divisors is an integer number (1496746).

2^2993491 is an apocalyptic number.

2993491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2993491 is an equidigital number, since it uses as much as digits as its factorization.

2993491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 2993491 is about 1730.1708008171. The cubic root of 2993491 is about 144.1205748088.

The spelling of 2993491 in words is "two million, nine hundred ninety-three thousand, four hundred ninety-one".