489565984 has 24 divisors (see below), whose sum is σ = 973775628. Its totient is φ = 242257920.

The previous prime is 489565963. The next prime is 489565987.

489565984 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 476461584 + 13104400 = 21828^2 + 3620^2 .

It is not an unprimeable number, because it can be changed into a prime (489565987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75757 + ... + 81964.

Almost surely, 2^489565984 is an apocalyptic number.

It is an amenable number.

489565984 is a deficient number, since it is larger than the sum of its proper divisors (484209644).

489565984 is a wasteful number, since it uses less digits than its factorization.

489565984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157828 (or 157820 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The square root of 489565984 is about 22126.1380272292. The cubic root of 489565984 is about 788.1406810764.

The spelling of 489565984 in words is "four hundred eighty-nine million, five hundred sixty-five thousand, nine hundred eighty-four".