489601889 has 16 divisors (see below), whose sum is σ = 566860800. Its totient is φ = 414208080.

The previous prime is 489601873. The next prime is 489601901. The reversal of 489601889 is 988106984.

It is a cyclic number.

It is not a de Polignac number, because 489601889 - 2⁴ = 489601873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489601889.

It is not an unprimeable number, because it can be changed into a prime (489601859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181142 + ... + 183824.

It is an arithmetic number, because the mean of its divisors is an integer number (35428800).

Almost surely, 2^489601889 is an apocalyptic number.

It is an amenable number.

489601889 is a deficient number, since it is larger than the sum of its proper divisors (77258911).

489601889 is a wasteful number, since it uses less digits than its factorization.

489601889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 489601889 is about 22126.9493830487. The cubic root of 489601889 is about 788.1599481417.

The spelling of 489601889 in words is "four hundred eighty-nine million, six hundred one thousand, eight hundred eighty-nine".