489205 has 4 divisors (see below), whose sum is σ = 587052. Its totient is φ = 391360.

The previous prime is 489197. The next prime is 489217. The reversal of 489205 is 502984.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 253009 = 486^2 + 503^2 .

It is not a de Polignac number, because 489205 - 2³ = 489197 is a prime.

It is a Duffinian number.

489205 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48916 + ... + 48925.

It is an arithmetic number, because the mean of its divisors is an integer number (146763).

2⁴⁸⁹²⁰⁵ is an apocalyptic number.

It is an amenable number.

489205 is a deficient number, since it is larger than the sum of its proper divisors (97847).

489205 is an equidigital number, since it uses as much as digits as its factorization.

489205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97846.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 489205 is about 699.4319123403. The cubic root of 489205 is about 78.7946920248.

The spelling of 489205 in words is "four hundred eighty-nine thousand, two hundred five".