243474432 has 56 divisors (see below), whose sum is σ = 649291056. Its totient is φ = 81149952.

The previous prime is 243474431. The next prime is 243474437. The reversal of 243474432 is 234474342.

It is a happy number.

243474432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 243474393 and 243474402.

It is not an unprimeable number, because it can be changed into a prime (243474431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19623 + ... + 29529.

Almost surely, 2^243474432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243474432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324645528).

243474432 is an abundant number, since it is smaller than the sum of its proper divisors (405816624).

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

243474432 is an frugal number, since it uses more digits than its factorization.

243474432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936 (or 9912 counting only the distinct ones).

The product of its digits is 64512, while the sum is 33.

The square root of 243474432 is about 15603.6672612562. The cubic root of 243474432 is about 624.4309974416.

The spelling of 243474432 in words is "two hundred forty-three million, four hundred seventy-four thousand, four hundred thirty-two".