448138 has 4 divisors (see below), whose sum is σ = 672210. Its totient is φ = 224068.

The previous prime is 448121. The next prime is 448139. The reversal of 448138 is 831844.

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., 444889 + 3249 = 667^2 + 57^2 .

It is not an unprimeable number, because it can be changed into a prime (448139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112033 + ... + 112036.

2⁴⁴⁸¹³⁸ is an apocalyptic number.

448138 is a deficient number, since it is larger than the sum of its proper divisors (224072).

448138 is a wasteful number, since it uses less digits than its factorization.

448138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224071.

The product of its digits is 3072, while the sum is 28.

The square root of 448138 is about 669.4311017573. The cubic root of 448138 is about 76.5251031860.

The spelling of 448138 in words is "four hundred forty-eight thousand, one hundred thirty-eight".