243361968 has 40 divisors (see below), whose sum is σ = 650367600. Its totient is φ = 78322944.

The previous prime is 243361931. The next prime is 243361969. The reversal of 243361968 is 869163342.

It is not an unprimeable number, because it can be changed into a prime (243361969) 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 7 ways as a sum of consecutive naturals, for example, 86023 + ... + 88806.

It is an arithmetic number, because the mean of its divisors is an integer number (16259190).

Almost surely, 2^243361968 is an apocalyptic number.

It is an amenable number.

243361968 is an abundant number, since it is smaller than the sum of its proper divisors (407005632).

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

243361968 is a wasteful number, since it uses less digits than its factorization.

243361968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174869 (or 174863 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 243361968 is about 15600.0630767956. The cubic root of 243361968 is about 624.3348383738.

The spelling of 243361968 in words is "two hundred forty-three million, three hundred sixty-one thousand, nine hundred sixty-eight".