2628919 has 2 divisors, whose sum is σ = 2628920. Its totient is φ = 2628918.

The previous prime is 2628911. The next prime is 2628953. The reversal of 2628919 is 9198262.

2628919 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 2628919 - 2³ = 2628911 is a prime.

It is a super-2 number, since 2×2628919² = 13822430217122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628911) 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, 1314459 + 1314460.

It is an arithmetic number, because the mean of its divisors is an integer number (1314460).

2^2628919 is an apocalyptic number.

2628919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628919 is an equidigital number, since it uses as much as digits as its factorization.

2628919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 2628919 is about 1621.3941531904. The cubic root of 2628919 is about 138.0148237244.

The spelling of 2628919 in words is "two million, six hundred twenty-eight thousand, nine hundred nineteen".