243910068 has 96 divisors (see below), whose sum is σ = 637123200. Its totient is φ = 72285696.

The previous prime is 243910021. The next prime is 243910091. The reversal of 243910068 is 860019342.

243910068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244146 + ... + 245142.

It is an arithmetic number, because the mean of its divisors is an integer number (6636700).

Almost surely, 2^243910068 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 243910068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318561600).

243910068 is an abundant number, since it is smaller than the sum of its proper divisors (393213132).

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

243910068 is a wasteful number, since it uses less digits than its factorization.

243910068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 243910068 is about 15617.6204333439. The cubic root of 243910068 is about 624.8031960623.

The spelling of 243910068 in words is "two hundred forty-three million, nine hundred ten thousand, sixty-eight".