448669 has 4 divisors (see below), whose sum is σ = 483196. Its totient is φ = 414144.

The previous prime is 448667. The next prime is 448687. The reversal of 448669 is 966844.

448669 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 213444 = 485^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 448669 - 2¹ = 448667 is a prime.

It is a super-2 number, since 2×448669² = 402607743122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448667) 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 3 ways as a sum of consecutive naturals, for example, 17244 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (120799).

2⁴⁴⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

448669 is a deficient number, since it is larger than the sum of its proper divisors (34527).

448669 is a wasteful number, since it uses less digits than its factorization.

448669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34526.

The product of its digits is 41472, while the sum is 37.

The square root of 448669 is about 669.8275897572. The cubic root of 448669 is about 76.5553161939. Note that the first 3 decimals are identical.

The spelling of 448669 in words is "four hundred forty-eight thousand, six hundred sixty-nine".