2988191 has 2 divisors, whose sum is σ = 2988192. Its totient is φ = 2988190.

The previous prime is 2988169. The next prime is 2988233. The reversal of 2988191 is 1918892.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2988191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2988101) 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, 1494095 + 1494096.

It is an arithmetic number, because the mean of its divisors is an integer number (1494096).

2^2988191 is an apocalyptic number.

2988191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2988191 is an equidigital number, since it uses as much as digits as its factorization.

2988191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 38.

The square root of 2988191 is about 1728.6384815802. The cubic root of 2988191 is about 144.0354690149.

The spelling of 2988191 in words is "two million, nine hundred eighty-eight thousand, one hundred ninety-one".