449317 has 4 divisors (see below), whose sum is σ = 490176. Its totient is φ = 408460.

The previous prime is 449311. The next prime is 449321. The reversal of 449317 is 713944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449317 is a prime.

It is a Duffinian number.

449317 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449311) 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, 20413 + ... + 20434.

It is an arithmetic number, because the mean of its divisors is an integer number (122544).

2⁴⁴⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

449317 is a deficient number, since it is larger than the sum of its proper divisors (40859).

449317 is a wasteful number, since it uses less digits than its factorization.

449317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40858.

The product of its digits is 3024, while the sum is 28.

The square root of 449317 is about 670.3111217935. The cubic root of 449317 is about 76.5921540274.

The spelling of 449317 in words is "four hundred forty-nine thousand, three hundred seventeen".