243427206 has 32 divisors (see below), whose sum is σ = 531842688. Its totient is φ = 73664640.

The previous prime is 243427201. The next prime is 243427207. The reversal of 243427206 is 602724342.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243427201) 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 15 ways as a sum of consecutive naturals, for example, 56190 + ... + 60366.

It is an arithmetic number, because the mean of its divisors is an integer number (16620084).

Almost surely, 2^243427206 is an apocalyptic number.

243427206 is an abundant number, since it is smaller than the sum of its proper divisors (288415482).

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

243427206 is a wasteful number, since it uses less digits than its factorization.

243427206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 243427206 is about 15602.1538897679. The cubic root of 243427206 is about 624.3906218330.

The spelling of 243427206 in words is "two hundred forty-three million, four hundred twenty-seven thousand, two hundred six".