789845 has 8 divisors (see below), whose sum is σ = 1083264. Its totient is φ = 541584.

The previous prime is 789829. The next prime is 789847. The reversal of 789845 is 548987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 789845 - 2⁴ = 789829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11249 + ... + 11318.

It is an arithmetic number, because the mean of its divisors is an integer number (135408).

2⁷⁸⁹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

789845 is a deficient number, since it is larger than the sum of its proper divisors (293419).

789845 is a wasteful number, since it uses less digits than its factorization.

789845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22579.

The product of its digits is 80640, while the sum is 41.

The square root of 789845 is about 888.7322431419. The cubic root of 789845 is about 92.4373083849.

The spelling of 789845 in words is "seven hundred eighty-nine thousand, eight hundred forty-five".