489890888 has 32 divisors (see below), whose sum is σ = 933168600. Its totient is φ = 241072128.

The previous prime is 489890867. The next prime is 489890893. The reversal of 489890888 is 888098984.

It can be written as a sum of positive squares in 4 ways, for example, as 357134404 + 132756484 = 18898^2 + 11522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 489890888.

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, 164420 + ... + 167372.

Almost surely, 2^489890888 is an apocalyptic number.

It is an amenable number.

489890888 is a deficient number, since it is larger than the sum of its proper divisors (443277712).

489890888 is a wasteful number, since it uses less digits than its factorization.

489890888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 62.

The square root of 489890888 is about 22133.4788951037. The cubic root of 489890888 is about 788.3149942718.

The spelling of 489890888 in words is "four hundred eighty-nine million, eight hundred ninety thousand, eight hundred eighty-eight".