789487 has 4 divisors (see below), whose sum is σ = 796840. Its totient is φ = 782136.

The previous prime is 789473. The next prime is 789491. The reversal of 789487 is 784987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 789487 - 2¹¹ = 787439 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (199210).

2⁷⁸⁹⁴⁸⁷ is an apocalyptic number.

789487 is a deficient number, since it is larger than the sum of its proper divisors (7353).

789487 is a wasteful number, since it uses less digits than its factorization.

789487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352.

The product of its digits is 112896, while the sum is 43.

The square root of 789487 is about 888.5308098203. The cubic root of 789487 is about 92.4233404303.

The spelling of 789487 in words is "seven hundred eighty-nine thousand, four hundred eighty-seven".