789966 has 16 divisors (see below), whose sum is σ = 1755600. Its totient is φ = 263304.

The previous prime is 789961. The next prime is 789967. The reversal of 789966 is 669987.

789966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

789966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7261 + ... + 7368.

It is an arithmetic number, because the mean of its divisors is an integer number (109725).

2⁷⁸⁹⁹⁶⁶ is an apocalyptic number.

789966 is an abundant number, since it is smaller than the sum of its proper divisors (965634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

789966 is a wasteful number, since it uses less digits than its factorization.

789966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14640 (or 14634 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 789966 is about 888.8003150314. The cubic root of 789966 is about 92.4420284432.

The spelling of 789966 in words is "seven hundred eighty-nine thousand, nine hundred sixty-six".