489511 has 4 divisors (see below), whose sum is σ = 534024. Its totient is φ = 445000.

The previous prime is 489493. The next prime is 489529. The reversal of 489511 is 115984.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (489493) and next prime (489529).

It is a cyclic number.

It is not a de Polignac number, because 489511 - 2⁵ = 489479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489551) 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, 22240 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (133506).

2⁴⁸⁹⁵¹¹ is an apocalyptic number.

489511 is a deficient number, since it is larger than the sum of its proper divisors (44513).

489511 is a wasteful number, since it uses less digits than its factorization.

489511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44512.

The product of its digits is 1440, while the sum is 28.

The square root of 489511 is about 699.6506270990. The cubic root of 489511 is about 78.8111174159.

It can be divided in two parts, 489 and 511, that added together give a cube (1000 = 10³).

The spelling of 489511 in words is "four hundred eighty-nine thousand, five hundred eleven".