498009 has 8 divisors (see below), whose sum is σ = 699040. Its totient is φ = 314496.

The previous prime is 497999. The next prime is 498013. The reversal of 498009 is 900894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 498009 - 2⁴ = 497993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498089) 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 7 ways as a sum of consecutive naturals, for example, 4312 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (87380).

2⁴⁹⁸⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

498009 is a deficient number, since it is larger than the sum of its proper divisors (201031).

498009 is a wasteful number, since it uses less digits than its factorization.

498009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 498009 is about 705.6975272735. The cubic root of 498009 is about 79.2645619365.

The spelling of 498009 in words is "four hundred ninety-eight thousand, nine".