489858 has 16 divisors (see below), whose sum is σ = 1031520. Its totient is φ = 154656.

The previous prime is 489851. The next prime is 489869. The reversal of 489858 is 858984.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (64470).

2⁴⁸⁹⁸⁵⁸ is an apocalyptic number.

489858 is an abundant number, since it is smaller than the sum of its proper divisors (541662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489858 is a wasteful number, since it uses less digits than its factorization.

489858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321.

The product of its digits is 92160, while the sum is 42.

The square root of 489858 is about 699.8985640791. The cubic root of 489858 is about 78.8297353144.

The spelling of 489858 in words is "four hundred eighty-nine thousand, eight hundred fifty-eight".