243427982 has 24 divisors (see below), whose sum is σ = 431966520. Its totient is φ = 102555600.

The previous prime is 243427979. The next prime is 243427997. The reversal of 243427982 is 289724342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15269 + ... + 26832.

It is an arithmetic number, because the mean of its divisors is an integer number (17998605).

Almost surely, 2^243427982 is an apocalyptic number.

243427982 is a deficient number, since it is larger than the sum of its proper divisors (188538538).

243427982 is a wasteful number, since it uses less digits than its factorization.

243427982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42176 (or 42169 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 243427982 is about 15602.1787581094. The cubic root of 243427982 is about 624.3912853121.

The spelling of 243427982 in words is "two hundred forty-three million, four hundred twenty-seven thousand, nine hundred eighty-two".