489565 has 8 divisors (see below), whose sum is σ = 591840. Its totient is φ = 388752.

The previous prime is 489557. The next prime is 489571. The reversal of 489565 is 565984.

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 489565 - 2³ = 489557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (73980).

2⁴⁸⁹⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

489565 is a deficient number, since it is larger than the sum of its proper divisors (102275).

489565 is a wasteful number, since it uses less digits than its factorization.

489565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 43200, while the sum is 37.

The square root of 489565 is about 699.6892167241. The cubic root of 489565 is about 78.8140153037.

The spelling of 489565 in words is "four hundred eighty-nine thousand, five hundred sixty-five".