243326841 has 8 divisors (see below), whose sum is σ = 332349024. Its totient is φ = 158261280.

The previous prime is 243326833. The next prime is 243326887. The reversal of 243326841 is 148623342.

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

It is not a de Polignac number, because 243326841 - 2³ = 243326833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243326341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989011 + ... + 989256.

It is an arithmetic number, because the mean of its divisors is an integer number (41543628).

Almost surely, 2^243326841 is an apocalyptic number.

It is an amenable number.

243326841 is a deficient number, since it is larger than the sum of its proper divisors (89022183).

243326841 is a wasteful number, since it uses less digits than its factorization.

243326841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978311.

The product of its digits is 27648, while the sum is 33.

The square root of 243326841 is about 15598.9371753335. The cubic root of 243326841 is about 624.3047979840.

The spelling of 243326841 in words is "two hundred forty-three million, three hundred twenty-six thousand, eight hundred forty-one".