789240 has 32 divisors (see below), whose sum is σ = 2368080. Its totient is φ = 210432.

The previous prime is 789227. The next prime is 789251. The reversal of 789240 is 42987.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 789198 and 789207.

It is a congruent number.

It is an unprimeable number.

789240 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, 3169 + ... + 3408.

2⁷⁸⁹²⁴⁰ is an apocalyptic number.

It is an amenable number.

789240 is an abundant number, since it is smaller than the sum of its proper divisors (1578840).

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

789240 is a wasteful number, since it uses less digits than its factorization.

789240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6587 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 789240 is about 888.3918054552. The cubic root of 789240 is about 92.4137008600.

The spelling of 789240 in words is "seven hundred eighty-nine thousand, two hundred forty".