2998399 has 2 divisors, whose sum is σ = 2998400. Its totient is φ = 2998398.

The previous prime is 2998393. The next prime is 2998403. The reversal of 2998399 is 9938992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2998399 - 2⁹ = 2997887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998393) 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, 1499199 + 1499200.

It is an arithmetic number, because the mean of its divisors is an integer number (1499200).

2^2998399 is an apocalyptic number.

2998399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998399 is an equidigital number, since it uses as much as digits as its factorization.

2998399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 2998399 is about 1731.5885770009. The cubic root of 2998399 is about 144.1992964481.

The spelling of 2998399 in words is "two million, nine hundred ninety-eight thousand, three hundred ninety-nine".