489917589 has 8 divisors (see below), whose sum is σ = 746541120. Its totient is φ = 279952896.

The previous prime is 489917581. The next prime is 489917653. The reversal of 489917589 is 985719984.

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

It is not a de Polignac number, because 489917589 - 2³ = 489917581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489917581) 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, 11664684 + ... + 11664725.

It is an arithmetic number, because the mean of its divisors is an integer number (93317640).

Almost surely, 2^489917589 is an apocalyptic number.

It is an amenable number.

489917589 is a deficient number, since it is larger than the sum of its proper divisors (256623531).

489917589 is a wasteful number, since it uses less digits than its factorization.

489917589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23329419.

The product of its digits is 6531840, while the sum is 60.

The square root of 489917589 is about 22134.0820681590. The cubic root of 489917589 is about 788.3293161115.

The spelling of 489917589 in words is "four hundred eighty-nine million, nine hundred seventeen thousand, five hundred eighty-nine".