243928968 has 32 divisors (see below), whose sum is σ = 612499200. Its totient is φ = 80952768.

The previous prime is 243928939. The next prime is 243928969. The reversal of 243928968 is 869829342.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 243928968.

It is not an unprimeable number, because it can be changed into a prime (243928969) 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, 16696 + ... + 27687.

It is an arithmetic number, because the mean of its divisors is an integer number (19140600).

Almost surely, 2^243928968 is an apocalyptic number.

It is an amenable number.

243928968 is an abundant number, since it is smaller than the sum of its proper divisors (368570232).

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

243928968 is a wasteful number, since it uses less digits than its factorization.

243928968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44621 (or 44617 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 243928968 is about 15618.2255074000. The cubic root of 243928968 is about 624.8193338073.

The spelling of 243928968 in words is "two hundred forty-three million, nine hundred twenty-eight thousand, nine hundred sixty-eight".