789493 has 2 divisors, whose sum is σ = 789494. Its totient is φ = 789492.

The previous prime is 789491. The next prime is 789511. The reversal of 789493 is 394987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 208849 = 762^2 + 457^2 .

It is an emirp because it is prime and its reverse (394987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 789493 - 2¹ = 789491 is a prime.

Together with 789491, it forms a pair of twin primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (789491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394746 + 394747.

It is an arithmetic number, because the mean of its divisors is an integer number (394747).

2⁷⁸⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

789493 is a deficient number, since it is larger than the sum of its proper divisors (1).

789493 is an equidigital number, since it uses as much as digits as its factorization.

789493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 789493 is about 888.5341861741. The cubic root of 789493 is about 92.4235745648.

The spelling of 789493 in words is "seven hundred eighty-nine thousand, four hundred ninety-three".