243848232 has 160 divisors (see below), whose sum is σ = 720192000. Its totient is φ = 76982400.

The previous prime is 243848191. The next prime is 243848233. The reversal of 243848232 is 232848342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (243848233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1225269 + ... + 1225467.

It is an arithmetic number, because the mean of its divisors is an integer number (4501200).

Almost surely, 2^243848232 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 243848232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360096000).

243848232 is an abundant number, since it is smaller than the sum of its proper divisors (476343768).

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

243848232 is a wasteful number, since it uses less digits than its factorization.

243848232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 296 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 243848232 is about 15615.6406208647. The cubic root of 243848232 is about 624.7503916330.

The spelling of 243848232 in words is "two hundred forty-three million, eight hundred forty-eight thousand, two hundred thirty-two".