2402789 has 2 divisors, whose sum is σ = 2402790. Its totient is φ = 2402788.

The previous prime is 2402773. The next prime is 2402791. The reversal of 2402789 is 9872042.

2402789 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 can be written as a sum of positive squares in only one way, i.e., 2402500 + 289 = 1550^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402789 - 2⁴ = 2402773 is a prime.

It is a Sophie Germain prime.

Together with 2402791, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402089) 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, 1201394 + 1201395.

It is an arithmetic number, because the mean of its divisors is an integer number (1201395).

2^2402789 is an apocalyptic number.

It is an amenable number.

2402789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402789 is an equidigital number, since it uses as much as digits as its factorization.

2402789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2402789 is about 1550.0932230031. The cubic root of 2402789 is about 133.9384323982.

The spelling of 2402789 in words is "two million, four hundred two thousand, seven hundred eighty-nine".