243421410 has 32 divisors (see below), whose sum is σ = 585067392. Its totient is φ = 64817280.

The previous prime is 243421379. The next prime is 243421411. The reversal of 243421410 is 14124342.

243421410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243421411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16230 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (18283356).

Almost surely, 2^243421410 is an apocalyptic number.

243421410 is an abundant number, since it is smaller than the sum of its proper divisors (341645982).

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

243421410 is a wasteful number, since it uses less digits than its factorization.

243421410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11898.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 243421410 is about 15601.9681450771. The cubic root of 243421410 is about 624.3856662149.

Adding to 243421410 its reverse (14124342), we get a palindrome (257545752).

It can be divided in two parts, 24342 and 1410, that added together give a palindrome (25752).

The spelling of 243421410 in words is "two hundred forty-three million, four hundred twenty-one thousand, four hundred ten".