489369808 has 20 divisors (see below), whose sum is σ = 961144708. Its totient is φ = 241332480.

The previous prime is 489369787. The next prime is 489369817. The reversal of 489369808 is 808963984.

It can be written as a sum of positive squares in 2 ways, for example, as 377602624 + 111767184 = 19432^2 + 10572^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208323 + ... + 210658.

Almost surely, 2^489369808 is an apocalyptic number.

It is an amenable number.

489369808 is a deficient number, since it is larger than the sum of its proper divisors (471774900).

489369808 is a wasteful number, since it uses less digits than its factorization.

489369808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419062 (or 419056 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 489369808 is about 22121.7044551273. The cubic root of 489369808 is about 788.0353939800.

The spelling of 489369808 in words is "four hundred eighty-nine million, three hundred sixty-nine thousand, eight hundred eight".