3042839 has 2 divisors, whose sum is σ = 3042840. Its totient is φ = 3042838.

The previous prime is 3042833. The next prime is 3042857. The reversal of 3042839 is 9382403.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3042839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3042833) 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, 1521419 + 1521420.

It is an arithmetic number, because the mean of its divisors is an integer number (1521420).

Almost surely, 2^3042839 is an apocalyptic number.

3042839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3042839 is an equidigital number, since it uses as much as digits as its factorization.

3042839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3042839 is about 1744.3735265132. The cubic root of 3042839 is about 144.9082098408.

The spelling of 3042839 in words is "three million, forty-two thousand, eight hundred thirty-nine".