243366356 has 12 divisors (see below), whose sum is σ = 450943668. Its totient is φ = 114525312.

The previous prime is 243366349. The next prime is 243366359. The reversal of 243366356 is 653663342.

243366356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68227600 + 175138756 = 8260^2 + 13234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243366359) 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, 1789391 + ... + 1789526.

It is an arithmetic number, because the mean of its divisors is an integer number (37578639).

Almost surely, 2^243366356 is an apocalyptic number.

It is an amenable number.

243366356 is a deficient number, since it is larger than the sum of its proper divisors (207577312).

243366356 is a wasteful number, since it uses less digits than its factorization.

243366356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578938 (or 3578936 counting only the distinct ones).

The product of its digits is 233280, while the sum is 38.

The square root of 243366356 is about 15600.2037166186. The cubic root of 243366356 is about 624.3385907607.

The spelling of 243366356 in words is "two hundred forty-three million, three hundred sixty-six thousand, three hundred fifty-six".