243828012 has 24 divisors (see below), whose sum is σ = 569419200. Its totient is φ = 81206416.

The previous prime is 243828001. The next prime is 243828019. The reversal of 243828012 is 210828342.

It is not an unprimeable number, because it can be changed into a prime (243828019) 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 7 ways as a sum of consecutive naturals, for example, 7039 + ... + 23177.

It is an arithmetic number, because the mean of its divisors is an integer number (23725800).

Almost surely, 2^243828012 is an apocalyptic number.

It is an amenable number.

243828012 is an abundant number, since it is smaller than the sum of its proper divisors (325591188).

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

243828012 is a wasteful number, since it uses less digits than its factorization.

243828012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17405 (or 17403 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 243828012 is about 15614.9931796335. The cubic root of 243828012 is about 624.7331229655.

The spelling of 243828012 in words is "two hundred forty-three million, eight hundred twenty-eight thousand, twelve".