789490 has 16 divisors (see below), whose sum is σ = 1530648. Its totient is φ = 291456.

The previous prime is 789473. The next prime is 789491. The reversal of 789490 is 94987.

It is a happy number.

789490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 131769 = 811^2 + 363^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907 + ... + 3166.

2⁷⁸⁹⁴⁹⁰ is an apocalyptic number.

789490 is a deficient number, since it is larger than the sum of its proper divisors (741158).

789490 is a wasteful number, since it uses less digits than its factorization.

789490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 789490 is about 888.5324979988. The cubic root of 789490 is about 92.4234574977.

The spelling of 789490 in words is "seven hundred eighty-nine thousand, four hundred ninety".