489719916 has 108 divisors (see below), whose sum is σ = 1460119752. Its totient is φ = 137966976.

The previous prime is 489719903. The next prime is 489719921. The reversal of 489719916 is 619917984.

489719916 is a `hidden beast` number, since 489 + 71 + 9 + 91 + 6 = 666.

It is a super-2 number, since 2×489719916² = 479651192254094112, which contains 22 as substring.

Its product of digits (979776) is a multiple of the sum of its prime divisors (3888).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126871 + ... + 130673.

Almost surely, 2^489719916 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 489719916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730059876).

489719916 is an abundant number, since it is smaller than the sum of its proper divisors (970399836).

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

489719916 is a wasteful number, since it uses less digits than its factorization.

489719916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3888 counting only the distinct ones).

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

The square root of 489719916 is about 22129.6162641832. The cubic root of 489719916 is about 788.2232762472.

The spelling of 489719916 in words is "four hundred eighty-nine million, seven hundred nineteen thousand, nine hundred sixteen".