243806106 has 16 divisors (see below), whose sum is σ = 487818144. Its totient is φ = 81234384.

The previous prime is 243806083. The next prime is 243806153. The reversal of 243806106 is 601608342.

243806106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9861 + ... + 24183.

It is an arithmetic number, because the mean of its divisors is an integer number (30488634).

Almost surely, 2^243806106 is an apocalyptic number.

243806106 is an abundant number, since it is smaller than the sum of its proper divisors (244012038).

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

243806106 is a wasteful number, since it uses less digits than its factorization.

243806106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17165.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 243806106 is about 15614.2917226495. The cubic root of 243806106 is about 624.7144133109.

The spelling of 243806106 in words is "two hundred forty-three million, eight hundred six thousand, one hundred six".