449443 has 4 divisors (see below), whose sum is σ = 469008. Its totient is φ = 429880.

The previous prime is 449441. The next prime is 449459. The reversal of 449443 is 344944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449443 - 2¹ = 449441 is a prime.

It is a Duffinian number.

449443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (449441) 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, 9748 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (117252).

2⁴⁴⁹⁴⁴³ is an apocalyptic number.

449443 is a deficient number, since it is larger than the sum of its proper divisors (19565).

449443 is a wasteful number, since it uses less digits than its factorization.

449443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19564.

The product of its digits is 6912, while the sum is 28.

The square root of 449443 is about 670.4051014126. The cubic root of 449443 is about 76.5993128257.

The spelling of 449443 in words is "four hundred forty-nine thousand, four hundred forty-three".