489856 has 32 divisors (see below), whose sum is σ = 1009800. Its totient is φ = 236544.

The previous prime is 489851. The next prime is 489869. The reversal of 489856 is 658984.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460 + ... + 5548.

2⁴⁸⁹⁸⁵⁶ 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 489856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504900).

489856 is an abundant number, since it is smaller than the sum of its proper divisors (519944).

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

489856 is an equidigital number, since it uses as much as digits as its factorization.

489856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 489856 is about 699.8971352992. The cubic root of 489856 is about 78.8296280318.

The spelling of 489856 in words is "four hundred eighty-nine thousand, eight hundred fifty-six".