448681 has 4 divisors (see below), whose sum is σ = 475092. Its totient is φ = 422272.

The previous prime is 448667. The next prime is 448687. The reversal of 448681 is 186844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 173056 = 525^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 448681 - 2⁹ = 448169 is a prime.

It is a super-2 number, since 2×448681² = 402629279522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448687) 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, 13180 + ... + 13213.

It is an arithmetic number, because the mean of its divisors is an integer number (118773).

2⁴⁴⁸⁶⁸¹ is an apocalyptic number.

It is an amenable number.

448681 is a deficient number, since it is larger than the sum of its proper divisors (26411).

448681 is a wasteful number, since it uses less digits than its factorization.

448681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26410.

The product of its digits is 6144, while the sum is 31.

The square root of 448681 is about 669.8365472263. The cubic root of 448681 is about 76.5559986983. Note that the first 3 decimals are identical.

The spelling of 448681 in words is "four hundred forty-eight thousand, six hundred eighty-one".