489023 has 4 divisors (see below), whose sum is σ = 492888. Its totient is φ = 485160.

The previous prime is 489019. The next prime is 489043. The reversal of 489023 is 320984.

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

It is a cyclic number.

It is not a de Polignac number, because 489023 - 2² = 489019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488983 and 489001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489043) 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, 1736 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (123222).

2⁴⁸⁹⁰²³ is an apocalyptic number.

489023 is a deficient number, since it is larger than the sum of its proper divisors (3865).

489023 is a wasteful number, since it uses less digits than its factorization.

489023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 489023 is about 699.3017946495. The cubic root of 489023 is about 78.7849194259.

It can be divided in two parts, 4890 and 23, that added together give a cube (4913 = 17³).

The spelling of 489023 in words is "four hundred eighty-nine thousand, twenty-three".