489589765 has 8 divisors (see below), whose sum is σ = 671437440. Its totient is φ = 335718672.

The previous prime is 489589669. The next prime is 489589819. The reversal of 489589765 is 567985984.

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 489589765 - 2⁷ = 489589637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994105 + ... + 6994174.

It is an arithmetic number, because the mean of its divisors is an integer number (83929680).

Almost surely, 2^489589765 is an apocalyptic number.

It is an amenable number.

489589765 is a deficient number, since it is larger than the sum of its proper divisors (181847675).

489589765 is a wasteful number, since it uses less digits than its factorization.

489589765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13988291.

The product of its digits is 21772800, while the sum is 61.

The square root of 489589765 is about 22126.6754167905. The cubic root of 489589765 is about 788.1534423593.

The spelling of 489589765 in words is "four hundred eighty-nine million, five hundred eighty-nine thousand, seven hundred sixty-five".