449565 has 32 divisors (see below), whose sum is σ = 798336. Its totient is φ = 215040.

The previous prime is 449563. The next prime is 449567. The reversal of 449565 is 565944.

449565 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (449563) and next prime (449567).

It is not a de Polignac number, because 449565 - 2¹ = 449563 is a prime.

449565 is an undulating number in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449563) 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 31 ways as a sum of consecutive naturals, for example, 10434 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2⁴⁴⁹⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

449565 is a deficient number, since it is larger than the sum of its proper divisors (348771).

449565 is a wasteful number, since it uses less digits than its factorization.

449565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109.

The product of its digits is 21600, while the sum is 33.

The square root of 449565 is about 670.4960849998. The cubic root of 449565 is about 76.6062430859.

It can be divided in two parts, 4495 and 65, that added together give a triangular number (4560 = T₉₅).

The spelling of 449565 in words is "four hundred forty-nine thousand, five hundred sixty-five".