449109 has 12 divisors (see below), whose sum is σ = 655200. Its totient is φ = 296424.

The previous prime is 449107. The next prime is 449117. The reversal of 449109 is 901944.

It is not a de Polignac number, because 449109 - 2¹ = 449107 is a prime.

449109 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449107) 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 11 ways as a sum of consecutive naturals, for example, 1072 + ... + 1430.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2⁴⁴⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

449109 is a deficient number, since it is larger than the sum of its proper divisors (206091).

449109 is a wasteful number, since it uses less digits than its factorization.

449109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 449109 is about 670.1559519992. The cubic root of 449109 is about 76.5803333996.

The spelling of 449109 in words is "four hundred forty-nine thousand, one hundred nine".