489018 has 16 divisors (see below), whose sum is σ = 986400. Its totient is φ = 161616.

The previous prime is 489011. The next prime is 489019. The reversal of 489018 is 810984.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489011) by changing a digit.

489018 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (61650).

2⁴⁸⁹⁰¹⁸ is an apocalyptic number.

489018 is an abundant number, since it is smaller than the sum of its proper divisors (497382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489018 is a wasteful number, since it uses less digits than its factorization.

489018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 489018 is about 699.2982196460. The cubic root of 489018 is about 78.7846509137.

The spelling of 489018 in words is "four hundred eighty-nine thousand, eighteen".