489866328 has 144 divisors (see below), whose sum is σ = 1610696880. Its totient is φ = 133854336.

The previous prime is 489866317. The next prime is 489866329. The reversal of 489866328 is 823668984.

489866328 is a `hidden beast` number, since 489 + 86 + 63 + 28 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489866329) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 78126 + ... + 84162.

It is an arithmetic number, because the mean of its divisors is an integer number (11185395).

Almost surely, 2^489866328 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 489866328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805348440).

489866328 is an abundant number, since it is smaller than the sum of its proper divisors (1120830552).

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

489866328 is a wasteful number, since it uses less digits than its factorization.

489866328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086 (or 6072 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 489866328 is about 22132.9240725215. The cubic root of 489866328 is about 788.3018203588.

The spelling of 489866328 in words is "four hundred eighty-nine million, eight hundred sixty-six thousand, three hundred twenty-eight".