789788 has 12 divisors (see below), whose sum is σ = 1411872. Its totient is φ = 386400.

The previous prime is 789749. The next prime is 789793. The reversal of 789788 is 887987.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

789788 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, 1913 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (117656).

2⁷⁸⁹⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

789788 is a deficient number, since it is larger than the sum of its proper divisors (622084).

789788 is a wasteful number, since it uses less digits than its factorization.

789788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4250 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 789788 is about 888.7001744120. The cubic root of 789788 is about 92.4350847194.

The spelling of 789788 in words is "seven hundred eighty-nine thousand, seven hundred eighty-eight".