489597 has 4 divisors (see below), whose sum is σ = 652800. Its totient is φ = 326396.

The previous prime is 489571. The next prime is 489613. The reversal of 489597 is 795984.

489597 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489597 - 2¹⁰ = 488573 is a prime.

It is a D-number.

489597 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 81597 + ... + 81602.

It is an arithmetic number, because the mean of its divisors is an integer number (163200).

2⁴⁸⁹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

489597 is a deficient number, since it is larger than the sum of its proper divisors (163203).

489597 is a wasteful number, since it uses less digits than its factorization.

489597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163202.

The product of its digits is 90720, while the sum is 42.

The square root of 489597 is about 699.7120836458. The cubic root of 489597 is about 78.8157324699.

Subtracting from 489597 its sum of digits (42), we obtain a triangular number (489555 = T₉₈₉).

The spelling of 489597 in words is "four hundred eighty-nine thousand, five hundred ninety-seven".