243796984 has 16 divisors (see below), whose sum is σ = 459515520. Its totient is φ = 121259520.

The previous prime is 243796957. The next prime is 243796991. The reversal of 243796984 is 489697342.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 78249 + ... + 81304.

It is an arithmetic number, because the mean of its divisors is an integer number (28719720).

Almost surely, 2^243796984 is an apocalyptic number.

It is an amenable number.

243796984 is a deficient number, since it is larger than the sum of its proper divisors (215718536).

243796984 is a wasteful number, since it uses less digits than its factorization.

243796984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159750 (or 159746 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 243796984 is about 15613.9996157295. Note that the first 3 decimals coincide. The cubic root of 243796984 is about 624.7066219885.

The spelling of 243796984 in words is "two hundred forty-three million, seven hundred ninety-six thousand, nine hundred eighty-four".