243444338 has 8 divisors (see below), whose sum is σ = 365422188. Its totient is φ = 121636944.

The previous prime is 243444337. The next prime is 243444373. The reversal of 243444338 is 833444342.

It can be written as a sum of positive squares in 2 ways, for example, as 226412209 + 17032129 = 15047^2 + 4127^2 .

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 = 243444298 and 243444307.

It is not an unprimeable number, because it can be changed into a prime (243444337) 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 3 ways as a sum of consecutive naturals, for example, 38981 + ... + 44792.

Almost surely, 2^243444338 is an apocalyptic number.

243444338 is a deficient number, since it is larger than the sum of its proper divisors (121977850).

243444338 is a wasteful number, since it uses less digits than its factorization.

243444338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85228.

The product of its digits is 110592, while the sum is 35.

The square root of 243444338 is about 15602.7029068684. The cubic root of 243444338 is about 624.4052693456.

It can be divided in two parts, 24344 and 4338, that added together give a palindrome (28682).

The spelling of 243444338 in words is "two hundred forty-three million, four hundred forty-four thousand, three hundred thirty-eight".