789542 has 8 divisors (see below), whose sum is σ = 1275456. Its totient is φ = 364392.

The previous prime is 789533. The next prime is 789557. The reversal of 789542 is 245987.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

789542 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 15158 + ... + 15209.

It is an arithmetic number, because the mean of its divisors is an integer number (159432).

2⁷⁸⁹⁵⁴² is an apocalyptic number.

789542 is a deficient number, since it is larger than the sum of its proper divisors (485914).

789542 is a wasteful number, since it uses less digits than its factorization.

789542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30382.

The product of its digits is 20160, while the sum is 35.

The square root of 789542 is about 888.5617592492. The cubic root of 789542 is about 92.4254866196.

It can be divided in two parts, 789 and 542, that added together give a palindrome (1331).

The spelling of 789542 in words is "seven hundred eighty-nine thousand, five hundred forty-two".