243424652 has 12 divisors (see below), whose sum is σ = 426139056. Its totient is φ = 121670640.

The previous prime is 243424651. The next prime is 243424673. The reversal of 243424652 is 256424342.

It is a happy number.

It is a super-2 number, since 2×243424652² = 118511122402642208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243424651) 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, 5378 + ... + 22710.

It is an arithmetic number, because the mean of its divisors is an integer number (35511588).

Almost surely, 2^243424652 is an apocalyptic number.

It is an amenable number.

243424652 is a deficient number, since it is larger than the sum of its proper divisors (182714404).

243424652 is a wasteful number, since it uses less digits than its factorization.

243424652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20848 (or 20846 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 243424652 is about 15602.0720418796. The cubic root of 243424652 is about 624.3884381559.

Adding to 243424652 its reverse (256424342), we get a palindrome (499848994).

The spelling of 243424652 in words is "two hundred forty-three million, four hundred twenty-four thousand, six hundred fifty-two".