489829 has 4 divisors (see below), whose sum is σ = 496800. Its totient is φ = 482860.

The previous prime is 489823. The next prime is 489833. The reversal of 489829 is 928984.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489829 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a junction number, because it is equal to n+sod(n) for n = 489791 and 489800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489823) 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, 3379 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (124200).

2⁴⁸⁹⁸²⁹ is an apocalyptic number.

It is an amenable number.

489829 is a deficient number, since it is larger than the sum of its proper divisors (6971).

489829 is an equidigital number, since it uses as much as digits as its factorization.

489829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970.

The product of its digits is 41472, while the sum is 40.

The square root of 489829 is about 699.8778464847. The cubic root of 489829 is about 78.8281796884.

The spelling of 489829 in words is "four hundred eighty-nine thousand, eight hundred twenty-nine".