243946468 has 12 divisors (see below), whose sum is σ = 427020412. Its totient is φ = 121940640.

The previous prime is 243946459. The next prime is 243946477. The reversal of 243946468 is 864649342.

243946468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243946459) and next prime (243946477).

It can be written as a sum of positive squares in 2 ways, for example, as 199430884 + 44515584 = 14122^2 + 6672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18046 + ... + 28522.

Almost surely, 2^243946468 is an apocalyptic number.

It is an amenable number.

243946468 is a deficient number, since it is larger than the sum of its proper divisors (183073944).

243946468 is a wasteful number, since it uses less digits than its factorization.

243946468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16302 (or 16300 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The square root of 243946468 is about 15618.7857402552. The cubic root of 243946468 is about 624.8342754205.

The spelling of 243946468 in words is "two hundred forty-three million, nine hundred forty-six thousand, four hundred sixty-eight".