489825 has 36 divisors (see below), whose sum is σ = 1005888. Its totient is φ = 223200.

The previous prime is 489823. The next prime is 489833. The reversal of 489825 is 528984.

It is not a de Polignac number, because 489825 - 2¹ = 489823 is a prime.

It is a Curzon number.

489825 is a lucky number.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 489825.

It is not an unprimeable number, because it can be changed into a prime (489823) 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 35 ways as a sum of consecutive naturals, for example, 1420 + ... + 1730.

2⁴⁸⁹⁸²⁵ is an apocalyptic number.

489825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489825 is an abundant number, since it is smaller than the sum of its proper divisors (516063).

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

489825 is a wasteful number, since it uses less digits than its factorization.

489825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 489825 is about 699.8749888373. The cubic root of 489825 is about 78.8279651145.

The spelling of 489825 in words is "four hundred eighty-nine thousand, eight hundred twenty-five".