489517764 has 24 divisors (see below), whose sum is σ = 1143555840. Its totient is φ = 162980064.

The previous prime is 489517759. The next prime is 489517783. The reversal of 489517764 is 467715984.

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, 13279 + ... + 33990.

It is an arithmetic number, because the mean of its divisors is an integer number (47648160).

Almost surely, 2^489517764 is an apocalyptic number.

It is an amenable number.

489517764 is an abundant number, since it is smaller than the sum of its proper divisors (654038076).

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

489517764 is a wasteful number, since it uses less digits than its factorization.

489517764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48139 (or 48137 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 489517764 is about 22125.0483389302. The cubic root of 489517764 is about 788.1148041482.

The spelling of 489517764 in words is "four hundred eighty-nine million, five hundred seventeen thousand, seven hundred sixty-four".