243248 has 20 divisors (see below), whose sum is σ = 492528. Its totient is φ = 116160.

The previous prime is 243239. The next prime is 243259. The reversal of 243248 is 842342.

243248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 243248.

It is an unprimeable number.

243248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 698.

2²⁴³²⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246264).

243248 is an abundant number, since it is smaller than the sum of its proper divisors (249280).

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

243248 is a wasteful number, since it uses less digits than its factorization.

243248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 686 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 243248 is about 493.2017842628. The cubic root of 243248 is about 62.4237363128.

The spelling of 243248 in words is "two hundred forty-three thousand, two hundred forty-eight".