243116841 has 8 divisors (see below), whose sum is σ = 353624544. Its totient is φ = 147343520.

The previous prime is 243116827. The next prime is 243116857. The reversal of 243116841 is 148611342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243116841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243116799 and 243116808.

It is not an unprimeable number, because it can be changed into a prime (243116801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683556 + ... + 3683621.

It is an arithmetic number, because the mean of its divisors is an integer number (44203068).

Almost surely, 2^243116841 is an apocalyptic number.

It is an amenable number.

243116841 is a deficient number, since it is larger than the sum of its proper divisors (110507703).

243116841 is a wasteful number, since it uses less digits than its factorization.

243116841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367191.

The product of its digits is 4608, while the sum is 30.

The square root of 243116841 is about 15592.2044945543. The cubic root of 243116841 is about 624.1251469695.

The spelling of 243116841 in words is "two hundred forty-three million, one hundred sixteen thousand, eight hundred forty-one".