489084 has 24 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 159744.

The previous prime is 489061. The next prime is 489101. The reversal of 489084 is 480984.

It is a congruent number.

It is an unprimeable number.

489084 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252 + ... + 1020.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

2⁴⁸⁹⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

489084 is an abundant number, since it is smaller than the sum of its proper divisors (675156).

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

489084 is a wasteful number, since it uses less digits than its factorization.

489084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 489084 is about 699.3454082211. The cubic root of 489084 is about 78.7881951275.

Subtracting from 489084 its reverse (480984), we obtain a square (8100 = 90²).

The spelling of 489084 in words is "four hundred eighty-nine thousand, eighty-four".