489581896 has 32 divisors (see below), whose sum is σ = 926323200. Its totient is φ = 242573760.

The previous prime is 489581867. The next prime is 489581899. The reversal of 489581896 is 698185984.

It is a self number, because there is not a number n which added to its sum of digits gives 489581896.

It is not an unprimeable number, because it can be changed into a prime (489581899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569515 + ... + 570373.

It is an arithmetic number, because the mean of its divisors is an integer number (28947600).

Almost surely, 2^489581896 is an apocalyptic number.

It is an amenable number.

489581896 is a deficient number, since it is larger than the sum of its proper divisors (436741304).

489581896 is a wasteful number, since it uses less digits than its factorization.

489581896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1425 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The square root of 489581896 is about 22126.4975990327. The cubic root of 489581896 is about 788.1492197678.

The spelling of 489581896 in words is "four hundred eighty-nine million, five hundred eighty-one thousand, eight hundred ninety-six".