489587 has 4 divisors (see below), whose sum is σ = 559536. Its totient is φ = 419640.

The previous prime is 489571. The next prime is 489613. The reversal of 489587 is 785984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489587 - 2⁴ = 489571 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489587.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34964 + ... + 34977.

It is an arithmetic number, because the mean of its divisors is an integer number (139884).

2⁴⁸⁹⁵⁸⁷ is an apocalyptic number.

489587 is a deficient number, since it is larger than the sum of its proper divisors (69949).

489587 is an equidigital number, since it uses as much as digits as its factorization.

489587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69948.

The product of its digits is 80640, while the sum is 41.

The square root of 489587 is about 699.7049378131. The cubic root of 489587 is about 78.8151958635.

The spelling of 489587 in words is "four hundred eighty-nine thousand, five hundred eighty-seven".