489830018 has 16 divisors (see below), whose sum is σ = 744065784. Its totient is φ = 241820160.

The previous prime is 489830017. The next prime is 489830041. The reversal of 489830018 is 810038984.

It can be written as a sum of positive squares in 4 ways, for example, as 481495249 + 8334769 = 21943^2 + 2887^2 .

It is not an unprimeable number, because it can be changed into a prime (489830017) 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 7 ways as a sum of consecutive naturals, for example, 86696 + ... + 92172.

Almost surely, 2^489830018 is an apocalyptic number.

489830018 is a deficient number, since it is larger than the sum of its proper divisors (254235766).

489830018 is a wasteful number, since it uses less digits than its factorization.

489830018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 489830018 is about 22132.1037861293. The cubic root of 489830018 is about 788.2823429731.

The spelling of 489830018 in words is "four hundred eighty-nine million, eight hundred thirty thousand, eighteen".