243675824 has 120 divisors (see below), whose sum is σ = 595408320. Its totient is φ = 95950848.

The previous prime is 243675811. The next prime is 243675829. The reversal of 243675824 is 428576342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243675829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626222 + ... + 626610.

It is an arithmetic number, because the mean of its divisors is an integer number (4961736).

Almost surely, 2^243675824 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 243675824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297704160).

243675824 is an abundant number, since it is smaller than the sum of its proper divisors (351732496).

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

243675824 is a wasteful number, since it uses less digits than its factorization.

243675824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 462 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 243675824 is about 15610.1192820555. The cubic root of 243675824 is about 624.6031178420.

The spelling of 243675824 in words is "two hundred forty-three million, six hundred seventy-five thousand, eight hundred twenty-four".