448891 has 8 divisors (see below), whose sum is σ = 485280. Its totient is φ = 413952.

The previous prime is 448883. The next prime is 448907. The reversal of 448891 is 198844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448891 - 2³ = 448883 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 (448801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (60660).

2⁴⁴⁸⁸⁹¹ is an apocalyptic number.

448891 is a deficient number, since it is larger than the sum of its proper divisors (36389).

448891 is a wasteful number, since it uses less digits than its factorization.

448891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its digits is 9216, while the sum is 34.

The square root of 448891 is about 669.9932835484. The cubic root of 448891 is about 76.5679405547.

Subtracting from 448891 its reverse (198844), we obtain a cube (250047 = 63³).

The spelling of 448891 in words is "four hundred forty-eight thousand, eight hundred ninety-one".