243984264 has 16 divisors (see below), whose sum is σ = 609960720. Its totient is φ = 81328080.

The previous prime is 243984239. The next prime is 243984269. The reversal of 243984264 is 462489342.

243984264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243984269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082982 + ... + 5083029.

It is an arithmetic number, because the mean of its divisors is an integer number (38122545).

Almost surely, 2^243984264 is an apocalyptic number.

243984264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243984264 is an abundant number, since it is smaller than the sum of its proper divisors (365976456).

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

243984264 is a wasteful number, since it uses less digits than its factorization.

243984264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166020 (or 10166016 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 243984264 is about 15619.9956466063. The cubic root of 243984264 is about 624.8665434517.

The spelling of 243984264 in words is "two hundred forty-three million, nine hundred eighty-four thousand, two hundred sixty-four".