243896356 has 12 divisors (see below), whose sum is σ = 465620400. Its totient is φ = 110861960.

The previous prime is 243896353. The next prime is 243896363. The reversal of 243896356 is 653698342.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (243896353) 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, 2771506 + ... + 2771593.

It is an arithmetic number, because the mean of its divisors is an integer number (38801700).

Almost surely, 2^243896356 is an apocalyptic number.

It is an amenable number.

243896356 is a deficient number, since it is larger than the sum of its proper divisors (221724044).

243896356 is a wasteful number, since it uses less digits than its factorization.

243896356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543114 (or 5543112 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 243896356 is about 15617.1814358417. The cubic root of 243896356 is about 624.7914875638.

The spelling of 243896356 in words is "two hundred forty-three million, eight hundred ninety-six thousand, three hundred fifty-six".