2939399 has 2 divisors, whose sum is σ = 2939400. Its totient is φ = 2939398.

The previous prime is 2939393. The next prime is 2939401. The reversal of 2939399 is 9939392.

2939399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2939399 - 2⁸ = 2939143 is a prime.

It is a Sophie Germain prime.

Together with 2939401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2939393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469699 + 1469700.

It is an arithmetic number, because the mean of its divisors is an integer number (1469700).

2^2939399 is an apocalyptic number.

2939399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939399 is an equidigital number, since it uses as much as digits as its factorization.

2939399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118098, while the sum is 44.

The square root of 2939399 is about 1714.4675558318. The cubic root of 2939399 is about 143.2472128532.

It can be divided in two parts, 29393 and 99, that added together give a palindrome (29492).

The spelling of 2939399 in words is "two million, nine hundred thirty-nine thousand, three hundred ninety-nine".