489313 has 4 divisors (see below), whose sum is σ = 533808. Its totient is φ = 444820.

The previous prime is 489299. The next prime is 489329. The reversal of 489313 is 313984.

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 a de Polignac number, because none of the positive numbers 2^k-489313 is a prime.

489313 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (489343) 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, 22231 + ... + 22252.

It is an arithmetic number, because the mean of its divisors is an integer number (133452).

2⁴⁸⁹³¹³ is an apocalyptic number.

It is an amenable number.

489313 is a deficient number, since it is larger than the sum of its proper divisors (44495).

489313 is a wasteful number, since it uses less digits than its factorization.

489313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44494.

The product of its digits is 2592, while the sum is 28.

The square root of 489313 is about 699.5091135932. The cubic root of 489313 is about 78.8004900036.

The spelling of 489313 in words is "four hundred eighty-nine thousand, three hundred thirteen".