243328835 has 8 divisors (see below), whose sum is σ = 299886576. Its totient is φ = 189401760.

The previous prime is 243328829. The next prime is 243328847. The reversal of 243328835 is 538823342.

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

It is not a de Polignac number, because 243328835 - 2⁴ = 243328819 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 657461 + ... + 657830.

It is an arithmetic number, because the mean of its divisors is an integer number (37485822).

Almost surely, 2^243328835 is an apocalyptic number.

243328835 is a deficient number, since it is larger than the sum of its proper divisors (56557741).

243328835 is a wasteful number, since it uses less digits than its factorization.

243328835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315333.

The product of its digits is 138240, while the sum is 38.

The square root of 243328835 is about 15599.0010898134. The cubic root of 243328835 is about 624.3065033177.

The spelling of 243328835 in words is "two hundred forty-three million, three hundred twenty-eight thousand, eight hundred thirty-five".