789965 has 16 divisors (see below), whose sum is σ = 1057536. Its totient is φ = 561600.

The previous prime is 789961. The next prime is 789967. The reversal of 789965 is 569987.

789965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 789965 - 2² = 789961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2⁷⁸⁹⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

789965 is a deficient number, since it is larger than the sum of its proper divisors (267571).

789965 is a wasteful number, since it uses less digits than its factorization.

789965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 136080, while the sum is 44.

The square root of 789965 is about 888.7997524752. The cubic root of 789965 is about 92.4419894364.

The spelling of 789965 in words is "seven hundred eighty-nine thousand, nine hundred sixty-five".