2921339 has 2 divisors, whose sum is σ = 2921340. Its totient is φ = 2921338.

The previous prime is 2921329. The next prime is 2921371. The reversal of 2921339 is 9331292.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2921339 - 2²⁰ = 1872763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2921329) 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, 1460669 + 1460670.

It is an arithmetic number, because the mean of its divisors is an integer number (1460670).

2^2921339 is an apocalyptic number.

2921339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2921339 is an equidigital number, since it uses as much as digits as its factorization.

2921339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 2921339 is about 1709.1924993985. The cubic root of 2921339 is about 142.9532342554.

The spelling of 2921339 in words is "two million, nine hundred twenty-one thousand, three hundred thirty-nine".