243982356 has 24 divisors (see below), whose sum is σ = 570766560. Its totient is φ = 81116832.

The previous prime is 243982303. The next prime is 243982357. The reversal of 243982356 is 653289342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243982357) 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, 21466 + ... + 30801.

It is an arithmetic number, because the mean of its divisors is an integer number (23781940).

Almost surely, 2^243982356 is an apocalyptic number.

It is an amenable number.

243982356 is an abundant number, since it is smaller than the sum of its proper divisors (326784204).

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

243982356 is a wasteful number, since it uses less digits than its factorization.

243982356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52663 (or 52661 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 243982356 is about 15619.9345709257. The cubic root of 243982356 is about 624.8649145919.

The spelling of 243982356 in words is "two hundred forty-three million, nine hundred eighty-two thousand, three hundred fifty-six".