489319776 has 144 divisors (see below), whose sum is σ = 1526445648. Its totient is φ = 147456000.

The previous prime is 489319771. The next prime is 489319781. The reversal of 489319776 is 677913984.

It is a happy number.

489319776 is a `hidden beast` number, since 489 + 3 + 1 + 97 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (489319771) and next prime (489319781).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489319771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813876 + ... + 814476.

It is an arithmetic number, because the mean of its divisors is an integer number (10600317).

Almost surely, 2^489319776 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 489319776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763222824).

489319776 is an abundant number, since it is smaller than the sum of its proper divisors (1037125872).

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

489319776 is a wasteful number, since it uses less digits than its factorization.

489319776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 874 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 489319776 is about 22120.5735911165. The cubic root of 489319776 is about 788.0085374460.

The spelling of 489319776 in words is "four hundred eighty-nine million, three hundred nineteen thousand, seven hundred seventy-six".