449305 has 8 divisors (see below), whose sum is σ = 562752. Its totient is φ = 343728.

The previous prime is 449303. The next prime is 449311. The reversal of 449305 is 503944.

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 449305 - 2¹ = 449303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449305.

It is not an unprimeable number, because it can be changed into a prime (449303) 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 7 ways as a sum of consecutive naturals, for example, 1839 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (70344).

2⁴⁴⁹³⁰⁵ is an apocalyptic number.

It is an amenable number.

449305 is a deficient number, since it is larger than the sum of its proper divisors (113447).

449305 is a wasteful number, since it uses less digits than its factorization.

449305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 449305 is about 670.3021706663. The cubic root of 449305 is about 76.5914721672.

The spelling of 449305 in words is "four hundred forty-nine thousand, three hundred five".