489589764 has 24 divisors (see below), whose sum is σ = 1145659200. Its totient is φ = 162727584.

The previous prime is 489589669. The next prime is 489589819. The reversal of 489589764 is 467985984.

It is a junction number, because it is equal to n+sod(n) for n = 489589698 and 489589707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54264 + ... + 62639.

It is an arithmetic number, because the mean of its divisors is an integer number (47735800).

Almost surely, 2^489589764 is an apocalyptic number.

It is an amenable number.

489589764 is an abundant number, since it is smaller than the sum of its proper divisors (656069436).

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

489589764 is a wasteful number, since it uses less digits than its factorization.

489589764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117259 (or 117257 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The square root of 489589764 is about 22126.6753941933. The cubic root of 489589764 is about 788.1534418227.

The spelling of 489589764 in words is "four hundred eighty-nine million, five hundred eighty-nine thousand, seven hundred sixty-four".