789065 has 4 divisors (see below), whose sum is σ = 946884. Its totient is φ = 631248.

The previous prime is 789031. The next prime is 789067. The reversal of 789065 is 560987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560987 = 7 ⋅80141.

It can be written as a sum of positive squares in 2 ways, for example, as 529984 + 259081 = 728^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 789065 - 2⁶ = 789001 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (789067) 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 3 ways as a sum of consecutive naturals, for example, 78902 + ... + 78911.

It is an arithmetic number, because the mean of its divisors is an integer number (236721).

2⁷⁸⁹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

789065 is a deficient number, since it is larger than the sum of its proper divisors (157819).

789065 is a wasteful number, since it uses less digits than its factorization.

789065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157818.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 789065 is about 888.2933074160. The cubic root of 789065 is about 92.4068699876.

The spelling of 789065 in words is "seven hundred eighty-nine thousand, sixty-five".