448439 has 4 divisors (see below), whose sum is σ = 454656. Its totient is φ = 442224.

The previous prime is 448421. The next prime is 448451. The reversal of 448439 is 934844.

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

It is a cyclic number.

It is not a de Polignac number, because 448439 - 2¹² = 444343 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 2999 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (113664).

2⁴⁴⁸⁴³⁹ is an apocalyptic number.

448439 is a deficient number, since it is larger than the sum of its proper divisors (6217).

448439 is an equidigital number, since it uses as much as digits as its factorization.

448439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216.

The product of its digits is 13824, while the sum is 32.

The square root of 448439 is about 669.6558817781. The cubic root of 448439 is about 76.5422325084.

The spelling of 448439 in words is "four hundred forty-eight thousand, four hundred thirty-nine".