489485186 has 8 divisors (see below), whose sum is σ = 734469120. Its totient is φ = 244662148.

The previous prime is 489485179. The next prime is 489485189. The reversal of 489485186 is 681584984.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (489485189) 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, 32306 + ... + 44973.

It is an arithmetic number, because the mean of its divisors is an integer number (91808640).

Almost surely, 2^489485186 is an apocalyptic number.

489485186 is a deficient number, since it is larger than the sum of its proper divisors (244983934).

489485186 is a wasteful number, since it uses less digits than its factorization.

489485186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80448.

The product of its digits is 2211840, while the sum is 53.

The square root of 489485186 is about 22124.3121023005. The cubic root of 489485186 is about 788.0973204288.

The spelling of 489485186 in words is "four hundred eighty-nine million, four hundred eighty-five thousand, one hundred eighty-six".