448191 has 12 divisors (see below), whose sum is σ = 681720. Its totient is φ = 282960.

The previous prime is 448187. The next prime is 448193. The reversal of 448191 is 191844.

It is not a de Polignac number, because 448191 - 2² = 448187 is a prime.

It is a super-3 number, since 3×448191³ = 270091333288295613, which contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1140 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (56810).

2⁴⁴⁸¹⁹¹ is an apocalyptic number.

448191 is a deficient number, since it is larger than the sum of its proper divisors (233529).

448191 is a wasteful number, since it uses less digits than its factorization.

448191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2643 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 448191 is about 669.4706864382. The cubic root of 448191 is about 76.5281198688.

The spelling of 448191 in words is "four hundred forty-eight thousand, one hundred ninety-one".