449217 has 24 divisors (see below), whose sum is σ = 711360. Its totient is φ = 272160.

The previous prime is 449209. The next prime is 449227. The reversal of 449217 is 712944.

It is a happy number.

449217 is a `hidden beast` number, since 449 + 217 = 666.

It is not a de Polignac number, because 449217 - 2³ = 449209 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449217.

It is not an unprimeable number, because it can be changed into a prime (449227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6292 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2⁴⁴⁹²¹⁷ is an apocalyptic number.

It is an amenable number.

449217 is a deficient number, since it is larger than the sum of its proper divisors (262143).

449217 is a wasteful number, since it uses less digits than its factorization.

449217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 130 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 449217 is about 670.2365254147. The cubic root of 449217 is about 76.5864714887.

It can be divided in two parts, 449 and 217, that added together give a palindrome (666).

The spelling of 449217 in words is "four hundred forty-nine thousand, two hundred seventeen".