449830 has 8 divisors (see below), whose sum is σ = 809712. Its totient is φ = 179928.

The previous prime is 449821. The next prime is 449833. The reversal of 449830 is 38944.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449833) 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 3 ways as a sum of consecutive naturals, for example, 22482 + ... + 22501.

It is an arithmetic number, because the mean of its divisors is an integer number (101214).

2⁴⁴⁹⁸³⁰ is an apocalyptic number.

449830 is a deficient number, since it is larger than the sum of its proper divisors (359882).

449830 is a wasteful number, since it uses less digits than its factorization.

449830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44990.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 449830 is about 670.6936707618. The cubic root of 449830 is about 76.6212922015.

It can be divided in two parts, 4498 and 30, that multiplied together give a triangular number (134940 = T₅₁₉).

The spelling of 449830 in words is "four hundred forty-nine thousand, eight hundred thirty".