449017 has 4 divisors (see below), whose sum is σ = 450916. Its totient is φ = 447120.

The previous prime is 449011. The next prime is 449051. The reversal of 449017 is 710944.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 241081 = 456^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 449017 - 2¹¹ = 446969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448982 and 449000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449011) 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 3 ways as a sum of consecutive naturals, for example, 534 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (112729).

2⁴⁴⁹⁰¹⁷ is an apocalyptic number.

It is an amenable number.

449017 is a deficient number, since it is larger than the sum of its proper divisors (1899).

449017 is a wasteful number, since it uses less digits than its factorization.

449017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 449017 is about 670.0873077443. The cubic root of 449017 is about 76.5751038809.

The spelling of 449017 in words is "four hundred forty-nine thousand, seventeen".