489575889 has 24 divisors (see below), whose sum is σ = 773982144. Its totient is φ = 295740000.

The previous prime is 489575851. The next prime is 489575899. The reversal of 489575889 is 988575984.

It is a happy number.

489575889 is a `hidden beast` number, since 48 + 9 + 5 + 7 + 588 + 9 = 666.

It is not a de Polignac number, because 489575889 - 2¹⁷ = 489444817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489575899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22839 + ... + 38739.

It is an arithmetic number, because the mean of its divisors is an integer number (32249256).

Almost surely, 2^489575889 is an apocalyptic number.

It is an amenable number.

489575889 is a deficient number, since it is larger than the sum of its proper divisors (284406255).

489575889 is a wasteful number, since it uses less digits than its factorization.

489575889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16229 (or 16226 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 63.

The square root of 489575889 is about 22126.3618563920. The cubic root of 489575889 is about 788.1459963155.

The spelling of 489575889 in words is "four hundred eighty-nine million, five hundred seventy-five thousand, eight hundred eighty-nine".