448638 has 16 divisors (see below), whose sum is σ = 936576. Its totient is φ = 143000.

The previous prime is 448633. The next prime is 448667. The reversal of 448638 is 836844.

448638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 448599 and 448608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (58536).

2⁴⁴⁸⁶³⁸ is an apocalyptic number.

448638 is an abundant number, since it is smaller than the sum of its proper divisors (487938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448638 is a wasteful number, since it uses less digits than its factorization.

448638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279.

The product of its digits is 18432, while the sum is 33.

The square root of 448638 is about 669.8044490745. The cubic root of 448638 is about 76.5535530014.

The spelling of 448638 in words is "four hundred forty-eight thousand, six hundred thirty-eight".