243972912 has 40 divisors (see below), whose sum is σ = 631973440. Its totient is φ = 81103680.

The previous prime is 243972887. The next prime is 243972913. The reversal of 243972912 is 219279342.

243972912 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 (243972913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11487 + ... + 24897.

It is an arithmetic number, because the mean of its divisors is an integer number (15799336).

Almost surely, 2^243972912 is an apocalyptic number.

It is an amenable number.

243972912 is an abundant number, since it is smaller than the sum of its proper divisors (388000528).

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

243972912 is a wasteful number, since it uses less digits than its factorization.

243972912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13801 (or 13795 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 243972912 is about 15619.6322619964. The cubic root of 243972912 is about 624.8568521231.

The spelling of 243972912 in words is "two hundred forty-three million, nine hundred seventy-two thousand, nine hundred twelve".