2912839 has 2 divisors, whose sum is σ = 2912840. Its totient is φ = 2912838.

The previous prime is 2912803. The next prime is 2912849. The reversal of 2912839 is 9382192.

2912839 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 2912839 - 2¹⁵ = 2880071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2912849) 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, 1456419 + 1456420.

It is an arithmetic number, because the mean of its divisors is an integer number (1456420).

2^2912839 is an apocalyptic number.

2912839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2912839 is an equidigital number, since it uses as much as digits as its factorization.

2912839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 2912839 is about 1706.7041337033. The cubic root of 2912839 is about 142.8144528156.

The spelling of 2912839 in words is "two million, nine hundred twelve thousand, eight hundred thirty-nine".