2628839 has 2 divisors, whose sum is σ = 2628840. Its totient is φ = 2628838.

The previous prime is 2628833. The next prime is 2628889. The reversal of 2628839 is 9388262.

It is a happy number.

2628839 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 2628839 - 2⁴ = 2628823 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 (2628833) 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, 1314419 + 1314420.

It is an arithmetic number, because the mean of its divisors is an integer number (1314420).

2^2628839 is an apocalyptic number.

2628839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628839 is an equidigital number, since it uses as much as digits as its factorization.

2628839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 2628839 is about 1621.3694828755. The cubic root of 2628839 is about 138.0134237449.

The spelling of 2628839 in words is "two million, six hundred twenty-eight thousand, eight hundred thirty-nine".