489111 has 8 divisors (see below), whose sum is σ = 745344. Its totient is φ = 279480.

The previous prime is 489109. The next prime is 489113. The reversal of 489111 is 111984.

It is an interprime number because it is at equal distance from previous prime (489109) and next prime (489113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489111 - 2¹ = 489109 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489111.

It is not an unprimeable number, because it can be changed into a prime (489113) 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 7 ways as a sum of consecutive naturals, for example, 11625 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (93168).

2⁴⁸⁹¹¹¹ is an apocalyptic number.

489111 is a deficient number, since it is larger than the sum of its proper divisors (256233).

489111 is a wasteful number, since it uses less digits than its factorization.

489111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23301.

The product of its digits is 288, while the sum is 24.

The square root of 489111 is about 699.3647117206. The cubic root of 489111 is about 78.7896449413.

The spelling of 489111 in words is "four hundred eighty-nine thousand, one hundred eleven".