9790789 has 2 divisors, whose sum is σ = 9790790. Its totient is φ = 9790788.

The previous prime is 9790771. The next prime is 9790813. The reversal of 9790789 is 9870979.

9790789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 1582564 = 2865^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 9790789 - 2¹⁹ = 9266501 is a prime.

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 (9794789) 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, 4895394 + 4895395.

It is an arithmetic number, because the mean of its divisors is an integer number (4895395).

Almost surely, 2^9790789 is an apocalyptic number.

It is an amenable number.

9790789 is a deficient number, since it is larger than the sum of its proper divisors (1).

9790789 is an equidigital number, since it uses as much as digits as its factorization.

9790789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 9790789 is about 3129.0236496390. The cubic root of 9790789 is about 213.9304298268.

The spelling of 9790789 in words is "nine million, seven hundred ninety thousand, seven hundred eighty-nine".