489168312 has 16 divisors (see below), whose sum is σ = 1222920840. Its totient is φ = 163056096.

The previous prime is 489168307. The next prime is 489168331. The reversal of 489168312 is 213861984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10190983 + ... + 10191030.

Almost surely, 2^489168312 is an apocalyptic number.

It is an amenable number.

489168312 is an abundant number, since it is smaller than the sum of its proper divisors (733752528).

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

489168312 is a wasteful number, since it uses less digits than its factorization.

489168312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382022 (or 20382018 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 489168312 is about 22117.1497259480. The cubic root of 489168312 is about 787.9272223578.

The spelling of 489168312 in words is "four hundred eighty-nine million, one hundred sixty-eight thousand, three hundred twelve".