489627889 has 8 divisors (see below), whose sum is σ = 492414912. Its totient is φ = 486848400.

The previous prime is 489627883. The next prime is 489627899. The reversal of 489627889 is 988726984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489627889 - 2³ = 489627881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489627881) 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, 170314 + ... + 173164.

It is an arithmetic number, because the mean of its divisors is an integer number (61551864).

Almost surely, 2^489627889 is an apocalyptic number.

It is an amenable number.

489627889 is a deficient number, since it is larger than the sum of its proper divisors (2787023).

489627889 is a wasteful number, since it uses less digits than its factorization.

489627889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767.

The product of its digits is 13934592, while the sum is 61.

The square root of 489627889 is about 22127.5368941055. The cubic root of 489627889 is about 788.1738994740.

The spelling of 489627889 in words is "four hundred eighty-nine million, six hundred twenty-seven thousand, eight hundred eighty-nine".