789089 has 16 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 601344.

The previous prime is 789077. The next prime is 789091. The reversal of 789089 is 980987.

It is a cyclic number.

It is not a de Polignac number, because 789089 - 2¹⁶ = 723553 is a prime.

It is a super-2 number, since 2×789089² = 1245322899842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (789029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁷⁸⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

789089 is a deficient number, since it is larger than the sum of its proper divisors (218911).

789089 is a wasteful number, since it uses less digits than its factorization.

789089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 789089 is about 888.3068163647. The cubic root of 789089 is about 92.4078068527.

The spelling of 789089 in words is "seven hundred eighty-nine thousand, eighty-nine".