488809 has 4 divisors (see below), whose sum is σ = 491904. Its totient is φ = 485716.

The previous prime is 488797. The next prime is 488821. The reversal of 488809 is 908884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (488797) and next prime (488821).

It is a cyclic number.

It is not a de Polignac number, because 488809 - 2¹⁷ = 357737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (122976).

2⁴⁸⁸⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

488809 is a deficient number, since it is larger than the sum of its proper divisors (3095).

488809 is a wasteful number, since it uses less digits than its factorization.

488809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 488809 is about 699.1487681460. The cubic root of 488809 is about 78.7734254657.

The spelling of 488809 in words is "four hundred eighty-eight thousand, eight hundred nine".