789081 has 8 divisors (see below), whose sum is σ = 1065120. Its totient is φ = 519552.

The previous prime is 789077. The next prime is 789091. The reversal of 789081 is 180987.

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

It is not a de Polignac number, because 789081 - 2² = 789077 is a prime.

It is a super-2 number, since 2×789081² = 1245297649122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (789001) 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, 1336 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (133140).

2⁷⁸⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

789081 is a deficient number, since it is larger than the sum of its proper divisors (276039).

789081 is a wasteful number, since it uses less digits than its factorization.

789081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 789081 is about 888.3023134046. The cubic root of 789081 is about 92.4074945665.

The spelling of 789081 in words is "seven hundred eighty-nine thousand, eighty-one".