789920 has 24 divisors (see below), whose sum is σ = 1866564. Its totient is φ = 315904.

The previous prime is 789883. The next prime is 789941. The reversal of 789920 is 29987.

It can be written as a sum of positive squares in 2 ways, for example, as 781456 + 8464 = 884^2 + 92^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309 + ... + 2628.

2⁷⁸⁹⁹²⁰ is an apocalyptic number.

It is an amenable number.

789920 is an abundant number, since it is smaller than the sum of its proper divisors (1076644).

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

789920 is a wasteful number, since it uses less digits than its factorization.

789920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 789920 is about 888.7744370761. The cubic root of 789920 is about 92.4402340976.

The spelling of 789920 in words is "seven hundred eighty-nine thousand, nine hundred twenty".