489458 has 16 divisors (see below), whose sum is σ = 774144. Its totient is φ = 231840.

The previous prime is 489457. The next prime is 489479. The reversal of 489458 is 854984.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489457) 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, 3791 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (48384).

2⁴⁸⁹⁴⁵⁸ is an apocalyptic number.

489458 is a deficient number, since it is larger than the sum of its proper divisors (284686).

489458 is a wasteful number, since it uses less digits than its factorization.

489458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its digits is 46080, while the sum is 38.

The square root of 489458 is about 699.6127500268. The cubic root of 489458 is about 78.8082729854.

The spelling of 489458 in words is "four hundred eighty-nine thousand, four hundred fifty-eight".