2628911 has 2 divisors, whose sum is σ = 2628912. Its totient is φ = 2628910.

The previous prime is 2628889. The next prime is 2628919. The reversal of 2628911 is 1198262.

2628911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2628911 is a prime.

It is a super-2 number, since 2×2628911² = 13822346091842, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628919) 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, 1314455 + 1314456.

It is an arithmetic number, because the mean of its divisors is an integer number (1314456).

2^2628911 is an apocalyptic number.

2628911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628911 is an equidigital number, since it uses as much as digits as its factorization.

2628911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 2628911 is about 1621.3916861758. The cubic root of 2628911 is about 138.0146837277.

The spelling of 2628911 in words is "two million, six hundred twenty-eight thousand, nine hundred eleven".