448540 has 24 divisors (see below), whose sum is σ = 966672. Its totient is φ = 174720.

The previous prime is 448531. The next prime is 448561. The reversal of 448540 is 45844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 1093.

It is an arithmetic number, because the mean of its divisors is an integer number (40278).

2⁴⁴⁸⁵⁴⁰ is an apocalyptic number.

448540 is the 547-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483336).

448540 is an abundant number, since it is smaller than the sum of its proper divisors (518132).

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

448540 is a wasteful number, since it uses less digits than its factorization.

448540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 448540 is about 669.7312893990. The cubic root of 448540 is about 76.5479785037.

The spelling of 448540 in words is "four hundred forty-eight thousand, five hundred forty".