489936 has 40 divisors (see below), whose sum is σ = 1294560. Its totient is φ = 159616.

The previous prime is 489913. The next prime is 489941. The reversal of 489936 is 639984.

Its product of digits (46656) is a multiple of the sum of its prime factors (243).

It is a junction number, because it is equal to n+sod(n) for n = 489894 and 489903.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2746 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (32364).

2⁴⁸⁹⁹³⁶ 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 489936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647280).

489936 is an abundant number, since it is smaller than the sum of its proper divisors (804624).

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

489936 is a wasteful number, since it uses less digits than its factorization.

489936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 489936 is about 699.9542842215. The cubic root of 489936 is about 78.8339191071.

The spelling of 489936 in words is "four hundred eighty-nine thousand, nine hundred thirty-six".