2928839 has 2 divisors, whose sum is σ = 2928840. Its totient is φ = 2928838.

The previous prime is 2928829. The next prime is 2928851. The reversal of 2928839 is 9388292.

2928839 is nontrivially palindromic in base 9.

2928839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2928839 - 2⁴ = 2928823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2928796 and 2928805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2928829) 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, 1464419 + 1464420.

It is an arithmetic number, because the mean of its divisors is an integer number (1464420).

2^2928839 is an apocalyptic number.

2928839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928839 is an equidigital number, since it uses as much as digits as its factorization.

2928839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 2928839 is about 1711.3851115398. The cubic root of 2928839 is about 143.0754650826.

The spelling of 2928839 in words is "two million, nine hundred twenty-eight thousand, eight hundred thirty-nine".