2831839 has 2 divisors, whose sum is σ = 2831840. Its totient is φ = 2831838.

The previous prime is 2831791. The next prime is 2831849. The reversal of 2831839 is 9381382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2831839 - 2¹⁷ = 2700767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2831849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415919 + 1415920.

It is an arithmetic number, because the mean of its divisors is an integer number (1415920).

2^2831839 is an apocalyptic number.

2831839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2831839 is an equidigital number, since it uses as much as digits as its factorization.

2831839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 2831839 is about 1682.8068813741. The cubic root of 2831839 is about 141.4781979753.

The spelling of 2831839 in words is "two million, eight hundred thirty-one thousand, eight hundred thirty-nine".