489804 has 60 divisors (see below), whose sum is σ = 1411704. Its totient is φ = 131712.

The previous prime is 489803. The next prime is 489817. The reversal of 489804 is 408984.

It is a nialpdrome in base 7 and base 14.

It is not an unprimeable number, because it can be changed into a prime (489803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28804 + ... + 28820.

2⁴⁸⁹⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705852).

489804 is an abundant number, since it is smaller than the sum of its proper divisors (921900).

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

489804 is a wasteful number, since it uses less digits than its factorization.

489804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 29 counting only the distinct ones).

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

The square root of 489804 is about 699.8599859972. The cubic root of 489804 is about 78.8268385823.

It can be divided in two parts, 48980 and 4, that added together give a palindrome (48984).

The spelling of 489804 in words is "four hundred eighty-nine thousand, eight hundred four".