243442344 has 32 divisors (see below), whose sum is σ = 614196000. Its totient is φ = 80402112.

The previous prime is 243442333. The next prime is 243442357. The reversal of 243442344 is 443244342.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43914 + ... + 49145.

It is an arithmetic number, because the mean of its divisors is an integer number (19193625).

Almost surely, 2^243442344 is an apocalyptic number.

243442344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243442344 is an abundant number, since it is smaller than the sum of its proper divisors (370753656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243442344 is a wasteful number, since it uses less digits than its factorization.

243442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93177 (or 93173 counting only the distinct ones).

The product of its digits is 36864, while the sum is 30.

The square root of 243442344 is about 15602.6390075525. The cubic root of 243442344 is about 624.4035645513.

Adding to 243442344 its reverse (443244342), we get a palindrome (686686686).

The spelling of 243442344 in words is "two hundred forty-three million, four hundred forty-two thousand, three hundred forty-four".