489808 has 40 divisors (see below), whose sum is σ = 1089216. Its totient is φ = 212960.

The previous prime is 489803. The next prime is 489817. The reversal of 489808 is 808984.

It is a congruent number.

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

489808 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, 21285 + ... + 21307.

2⁴⁸⁹⁸⁰⁸ 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 489808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544608).

489808 is an abundant number, since it is smaller than the sum of its proper divisors (599408).

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

489808 is a wasteful number, since it uses less digits than its factorization.

489808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 489808 is about 699.8628437058. The cubic root of 489808 is about 78.8270531624.

The spelling of 489808 in words is "four hundred eighty-nine thousand, eight hundred eight".