243440926 has 8 divisors (see below), whose sum is σ = 366509664. Its totient is φ = 121271040.

The previous prime is 243440921. The next prime is 243440941. The reversal of 243440926 is 629044342.

243440926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 243440891 and 243440900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243440921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224035 + ... + 225118.

It is an arithmetic number, because the mean of its divisors is an integer number (45813708).

Almost surely, 2^243440926 is an apocalyptic number.

243440926 is a deficient number, since it is larger than the sum of its proper divisors (123068738).

243440926 is a wasteful number, since it uses less digits than its factorization.

243440926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449426.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 243440926 is about 15602.5935664555. The cubic root of 243440926 is about 624.4023522096.

The spelling of 243440926 in words is "two hundred forty-three million, four hundred forty thousand, nine hundred twenty-six".