2998139 has 2 divisors, whose sum is σ = 2998140. Its totient is φ = 2998138.

The previous prime is 2998133. The next prime is 2998141. The reversal of 2998139 is 9318992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2998139 is a prime.

Together with 2998141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2998096 and 2998105.

It is not a weakly prime, because it can be changed into another prime (2998133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499069 + 1499070.

It is an arithmetic number, because the mean of its divisors is an integer number (1499070).

2^2998139 is an apocalyptic number.

2998139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998139 is an equidigital number, since it uses as much as digits as its factorization.

2998139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 41.

The square root of 2998139 is about 1731.5134998030. The cubic root of 2998139 is about 144.1951283459.

The spelling of 2998139 in words is "two million, nine hundred ninety-eight thousand, one hundred thirty-nine".