2998771 has 2 divisors, whose sum is σ = 2998772. Its totient is φ = 2998770.

The previous prime is 2998759. The next prime is 2998811. The reversal of 2998771 is 1778992.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2998771 - 2¹⁷ = 2867699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2908771) 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, 1499385 + 1499386.

It is an arithmetic number, because the mean of its divisors is an integer number (1499386).

2^2998771 is an apocalyptic number.

2998771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998771 is an equidigital number, since it uses as much as digits as its factorization.

2998771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The square root of 2998771 is about 1731.6959894855. The cubic root of 2998771 is about 144.2052596216.

The spelling of 2998771 in words is "two million, nine hundred ninety-eight thousand, seven hundred seventy-one".