789589 has 2 divisors, whose sum is σ = 789590. Its totient is φ = 789588.

The previous prime is 789587. The next prime is 789611. The reversal of 789589 is 985987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 58564 = 855^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 789589 - 2¹ = 789587 is a prime.

Together with 789587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (789587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394794 + 394795.

It is an arithmetic number, because the mean of its divisors is an integer number (394795).

2⁷⁸⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

789589 is a deficient number, since it is larger than the sum of its proper divisors (1).

789589 is an equidigital number, since it uses as much as digits as its factorization.

789589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 46.

The square root of 789589 is about 888.5882060887. The cubic root of 789589 is about 92.4273205569.

It can be divided in two parts, 789 and 589, that added together give a triangular number (1378 = T₅₂).

The spelling of 789589 in words is "seven hundred eighty-nine thousand, five hundred eighty-nine".