489587616 has 108 divisors (see below), whose sum is σ = 1619620002. Its totient is φ = 139878144.

The previous prime is 489587603. The next prime is 489587621. The reversal of 489587616 is 616785984.

489587616 is a `hidden beast` number, since 48 + 9 + 587 + 6 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 389667600 + 99920016 = 19740^2 + 9996^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 3235 + ... + 31458.

Almost surely, 2^489587616 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 489587616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809810001).

489587616 is an abundant number, since it is smaller than the sum of its proper divisors (1130032386).

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

489587616 is a wasteful number, since it uses less digits than its factorization.

489587616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34723 (or 34705 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 489587616 is about 22126.6268554427. The cubic root of 489587616 is about 788.1522891869.

The spelling of 489587616 in words is "four hundred eighty-nine million, five hundred eighty-seven thousand, six hundred sixteen".