789816 has 16 divisors (see below), whose sum is σ = 1974600. Its totient is φ = 263264.

The previous prime is 789793. The next prime is 789823. The reversal of 789816 is 618987.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

789816 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 3 ways as a sum of consecutive naturals, for example, 16431 + ... + 16478.

2⁷⁸⁹⁸¹⁶ is an apocalyptic number.

It is an amenable number.

789816 is an abundant number, since it is smaller than the sum of its proper divisors (1184784).

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

789816 is a wasteful number, since it uses less digits than its factorization.

789816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32918 (or 32914 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 789816 is about 888.7159276169. The cubic root of 789816 is about 92.4361770597.

It can be divided in two parts, 78981 and 6, that added together give a palindrome (78987).

The spelling of 789816 in words is "seven hundred eighty-nine thousand, eight hundred sixteen".