448518 has 32 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 125280.

The previous prime is 448451. The next prime is 448519. The reversal of 448518 is 815844.

448518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

448518 is a modest number, since divided by 518 gives 448 as remainder.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2388 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2⁴⁴⁸⁵¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524160).

448518 is an abundant number, since it is smaller than the sum of its proper divisors (599802).

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

448518 is a wasteful number, since it uses less digits than its factorization.

448518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 5120, while the sum is 30.

The square root of 448518 is about 669.7148646999. The cubic root of 448518 is about 76.5467269743.

The spelling of 448518 in words is "four hundred forty-eight thousand, five hundred eighteen".