489801 has 16 divisors (see below), whose sum is σ = 741440. Its totient is φ = 285120.

The previous prime is 489799. The next prime is 489803. The reversal of 489801 is 108984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (489799) and next prime (489803).

It is not a de Polignac number, because 489801 - 2¹ = 489799 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489803) 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 15 ways as a sum of consecutive naturals, for example, 411 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (46340).

2⁴⁸⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

489801 is a deficient number, since it is larger than the sum of its proper divisors (251639).

489801 is a wasteful number, since it uses less digits than its factorization.

489801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 489801 is about 699.8578427081. The cubic root of 489801 is about 78.8266776465.

The spelling of 489801 in words is "four hundred eighty-nine thousand, eight hundred one".