448418 has 4 divisors (see below), whose sum is σ = 672630. Its totient is φ = 224208.

The previous prime is 448397. The next prime is 448421. The reversal of 448418 is 814844.

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

It can be written as a sum of positive squares in only one way, i.e., 413449 + 34969 = 643^2 + 187^2 .

It is a Curzon number.

It is an unprimeable number.

448418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 112103 + ... + 112106.

2⁴⁴⁸⁴¹⁸ is an apocalyptic number.

448418 is a deficient number, since it is larger than the sum of its proper divisors (224212).

448418 is a wasteful number, since it uses less digits than its factorization.

448418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224211.

The product of its digits is 4096, while the sum is 29.

The square root of 448418 is about 669.6402018995. The cubic root of 448418 is about 76.5410376882.

The spelling of 448418 in words is "four hundred forty-eight thousand, four hundred eighteen".