489577 has 4 divisors (see below), whose sum is σ = 534096. Its totient is φ = 445060.

The previous prime is 489571. The next prime is 489613. The reversal of 489577 is 775984.

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 not a de Polignac number, because 489577 - 2⁷ = 489449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22243 + ... + 22264.

It is an arithmetic number, because the mean of its divisors is an integer number (133524).

2⁴⁸⁹⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

489577 is a deficient number, since it is larger than the sum of its proper divisors (44519).

489577 is a wasteful number, since it uses less digits than its factorization.

489577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44518.

The product of its digits is 70560, while the sum is 40.

The square root of 489577 is about 699.6977919073. The cubic root of 489577 is about 78.8146592498.

The spelling of 489577 in words is "four hundred eighty-nine thousand, five hundred seventy-seven".