449005 has 8 divisors (see below), whose sum is σ = 545400. Its totient is φ = 354816.

The previous prime is 449003. The next prime is 449011. The reversal of 449005 is 500944.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 447561 = 38^2 + 669^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 449005 - 2¹ = 449003 is a prime.

449005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (68175).

2⁴⁴⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

449005 is a deficient number, since it is larger than the sum of its proper divisors (96395).

449005 is a wasteful number, since it uses less digits than its factorization.

449005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 449005 is about 670.0783536274. The cubic root of 449005 is about 76.5744217171.

Adding to 449005 its reverse (500944), we get a palindrome (949949).

The spelling of 449005 in words is "four hundred forty-nine thousand, five".