2981339 has 2 divisors, whose sum is σ = 2981340. Its totient is φ = 2981338.

The previous prime is 2981333. The next prime is 2981357. The reversal of 2981339 is 9331892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2981339 - 2⁴ = 2981323 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2981299 and 2981308.

It is not a weakly prime, because it can be changed into another prime (2981333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490669 + 1490670.

It is an arithmetic number, because the mean of its divisors is an integer number (1490670).

2^2981339 is an apocalyptic number.

2981339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981339 is an equidigital number, since it uses as much as digits as its factorization.

2981339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 2981339 is about 1726.6554375439. The cubic root of 2981339 is about 143.9252923953.

The spelling of 2981339 in words is "two million, nine hundred eighty-one thousand, three hundred thirty-nine".