448489 has 4 divisors (see below), whose sum is σ = 449860. Its totient is φ = 447120.

The previous prime is 448451. The next prime is 448519. The reversal of 448489 is 984844.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 218089 + 230400 = 467^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 448489 - 2¹¹ = 446441 is a prime.

It is a super-2 number, since 2×448489² = 402284766242, which contains 22 as substring.

It is a Duffinian number.

448489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (442489) 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 3 ways as a sum of consecutive naturals, for example, 127 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (112465).

2⁴⁴⁸⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

448489 is a deficient number, since it is larger than the sum of its proper divisors (1371).

448489 is an equidigital number, since it uses as much as digits as its factorization.

448489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its digits is 36864, while the sum is 37.

The square root of 448489 is about 669.6932133447. The cubic root of 448489 is about 76.5450771684.

The spelling of 448489 in words is "four hundred forty-eight thousand, four hundred eighty-nine".