2768189 has 2 divisors, whose sum is σ = 2768190. Its totient is φ = 2768188.

The previous prime is 2768179. The next prime is 2768191. The reversal of 2768189 is 9818672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 708964 = 1435^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 2768189 - 2¹⁶ = 2702653 is a prime.

Together with 2768191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384094 + 1384095.

It is an arithmetic number, because the mean of its divisors is an integer number (1384095).

2^2768189 is an apocalyptic number.

It is an amenable number.

2768189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768189 is an equidigital number, since it uses as much as digits as its factorization.

2768189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 2768189 is about 1663.7875465335. The cubic root of 2768189 is about 140.4101746400.

The spelling of 2768189 in words is "two million, seven hundred sixty-eight thousand, one hundred eighty-nine".