589945 has 4 divisors (see below), whose sum is σ = 707940. Its totient is φ = 471952.

The previous prime is 589933. The next prime is 589993. The reversal of 589945 is 549985.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 385641 = 452^2 + 621^2 .

It is a cyclic number.

It is not a de Polignac number, because 589945 - 2¹¹ = 587897 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 589898 and 589907.

It is an unprimeable 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, 58990 + ... + 58999.

It is an arithmetic number, because the mean of its divisors is an integer number (176985).

589945 is a Friedman number, since it can be written as 9*(9+5+4^8)-5, using all its digits and the basic arithmetic operations.

2⁵⁸⁹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

589945 is a deficient number, since it is larger than the sum of its proper divisors (117995).

589945 is a wasteful number, since it uses less digits than its factorization.

589945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117994.

The product of its digits is 64800, while the sum is 40.

The square root of 589945 is about 768.0787720019. The cubic root of 589945 is about 83.8694589902.

Adding to 589945 its sum of digits (40), we get a palindrome (589985).

The spelling of 589945 in words is "five hundred eighty-nine thousand, nine hundred forty-five".