243752868 has 48 divisors (see below), whose sum is σ = 669130560. Its totient is φ = 76470912.

The previous prime is 243752849. The next prime is 243752903. The reversal of 243752868 is 868257342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64546 + ... + 68217.

It is an arithmetic number, because the mean of its divisors is an integer number (13940220).

Almost surely, 2^243752868 is an apocalyptic number.

It is an amenable number.

243752868 is an abundant number, since it is smaller than the sum of its proper divisors (425377692).

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

243752868 is a wasteful number, since it uses less digits than its factorization.

243752868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132793 (or 132785 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 243752868 is about 15612.5868452348. The cubic root of 243752868 is about 624.6689386951.

The spelling of 243752868 in words is "two hundred forty-three million, seven hundred fifty-two thousand, eight hundred sixty-eight".