489231 has 12 divisors (see below), whose sum is σ = 744120. Its totient is φ = 308880.

The previous prime is 489217. The next prime is 489239. The reversal of 489231 is 132984.

It is not a de Polignac number, because 489231 - 2¹⁰ = 488207 is a prime.

It is a super-2 number, since 2×489231² = 478693942722, which contains 22 as substring.

489231 is a lucky number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 489195 and 489204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489239) 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 11 ways as a sum of consecutive naturals, for example, 1260 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (62010).

2⁴⁸⁹²³¹ is an apocalyptic number.

489231 is a deficient number, since it is larger than the sum of its proper divisors (254889).

489231 is a wasteful number, since it uses less digits than its factorization.

489231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886 (or 2883 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 489231 is about 699.4504986059. The cubic root of 489231 is about 78.7960879125.

The spelling of 489231 in words is "four hundred eighty-nine thousand, two hundred thirty-one".