449345 has 16 divisors (see below), whose sum is σ = 602112. Its totient is φ = 319680.

The previous prime is 449333. The next prime is 449347. The reversal of 449345 is 543944.

449345 = 49² + 50² + ... + 113².

It is not a de Polignac number, because 449345 - 2¹⁰ = 448321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449345.

It is not an unprimeable number, because it can be changed into a prime (449347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (37632).

2⁴⁴⁹³⁴⁵ is an apocalyptic number.

It is an amenable number.

449345 is a deficient number, since it is larger than the sum of its proper divisors (152767).

449345 is a wasteful number, since it uses less digits than its factorization.

449345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its digits is 8640, while the sum is 29.

The square root of 449345 is about 670.3320072919. The cubic root of 449345 is about 76.5937449871.

The spelling of 449345 in words is "four hundred forty-nine thousand, three hundred forty-five".