489005 has 16 divisors (see below), whose sum is σ = 679104. Its totient is φ = 334080.

The previous prime is 489001. The next prime is 489011. The reversal of 489005 is 500984.

It is not a de Polignac number, because 489005 - 2² = 489001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489005.

It is not an unprimeable number, because it can be changed into a prime (489001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (42444).

2⁴⁸⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

489005 is a deficient number, since it is larger than the sum of its proper divisors (190099).

489005 is a wasteful number, since it uses less digits than its factorization.

489005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 489005 is about 699.2889245512. The cubic root of 489005 is about 78.7839527734.

Adding to 489005 its reverse (500984), we get a palindrome (989989).

The spelling of 489005 in words is "four hundred eighty-nine thousand, five".