243600841 has 16 divisors (see below), whose sum is σ = 276494400. Its totient is φ = 212587200.

The previous prime is 243600779. The next prime is 243600887. The reversal of 243600841 is 148006342.

It is a cyclic number.

It is not a de Polignac number, because 243600841 - 2⁷ = 243600713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243600041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55630 + ... + 59848.

It is an arithmetic number, because the mean of its divisors is an integer number (17280900).

Almost surely, 2^243600841 is an apocalyptic number.

It is an amenable number.

243600841 is a deficient number, since it is larger than the sum of its proper divisors (32893559).

243600841 is a wasteful number, since it uses less digits than its factorization.

243600841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 243600841 is about 15607.7173539246. The cubic root of 243600841 is about 624.5390444355.

The spelling of 243600841 in words is "two hundred forty-three million, six hundred thousand, eight hundred forty-one".