489919716 has 144 divisors (see below), whose sum is σ = 1480489920. Its totient is φ = 134634240.

The previous prime is 489919687. The next prime is 489919721. The reversal of 489919716 is 617919984.

489919716 is a `hidden beast` number, since 489 + 91 + 9 + 71 + 6 = 666.

Its product of digits (979776) is a multiple of the sum of its prime divisors (1701).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302926 + ... + 304538.

It is an arithmetic number, because the mean of its divisors is an integer number (10281180).

Almost surely, 2^489919716 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 489919716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740244960).

489919716 is an abundant number, since it is smaller than the sum of its proper divisors (990570204).

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

489919716 is a wasteful number, since it uses less digits than its factorization.

489919716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1701 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 489919716 is about 22134.1301161803. The cubic root of 489919716 is about 788.3304569660.

The spelling of 489919716 in words is "four hundred eighty-nine million, nine hundred nineteen thousand, seven hundred sixteen".