448209 has 6 divisors (see below), whose sum is σ = 647426. Its totient is φ = 298800.

The previous prime is 448207. The next prime is 448241. The reversal of 448209 is 902844.

It can be written as a sum of positive squares in only one way, i.e., 360000 + 88209 = 600^2 + 297^2 .

It is not a de Polignac number, because 448209 - 2¹ = 448207 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448209.

It is not an unprimeable number, because it can be changed into a prime (448207) 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 5 ways as a sum of consecutive naturals, for example, 24892 + ... + 24909.

2⁴⁴⁸²⁰⁹ is an apocalyptic number.

It is an amenable number.

448209 is a deficient number, since it is larger than the sum of its proper divisors (199217).

448209 is a wasteful number, since it uses less digits than its factorization.

448209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49807 (or 49804 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 448209 is about 669.4841297596. The cubic root of 448209 is about 76.5291443484.

The spelling of 448209 in words is "four hundred forty-eight thousand, two hundred nine".