449605 has 8 divisors (see below), whose sum is σ = 581112. Its totient is φ = 331968.

The previous prime is 449591. The next prime is 449609. The reversal of 449605 is 506944.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 431649 = 134^2 + 657^2 .

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

It is not a de Polignac number, because 449605 - 2⁹ = 449093 is a prime.

It is a Duffinian number.

449605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (72639).

2⁴⁴⁹⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

449605 is a deficient number, since it is larger than the sum of its proper divisors (131507).

449605 is a wasteful number, since it uses less digits than its factorization.

449605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 449605 is about 670.5259129967. The cubic root of 449605 is about 76.6085150294.

The spelling of 449605 in words is "four hundred forty-nine thousand, six hundred five".