243203996 has 12 divisors (see below), whose sum is σ = 486408048. Its totient is φ = 104230272.

The previous prime is 243203977. The next prime is 243203999. The reversal of 243203996 is 699302342.

243203996 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243203999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4342901 + ... + 4342956.

It is an arithmetic number, because the mean of its divisors is an integer number (40534004).

Almost surely, 2^243203996 is an apocalyptic number.

It is an amenable number.

243203996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243203996 is a wasteful number, since it uses less digits than its factorization.

243203996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685868 (or 8685866 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 243203996 is about 15594.9990702148. Note that the first 3 decimals coincide. The cubic root of 243203996 is about 624.1997189711.

The spelling of 243203996 in words is "two hundred forty-three million, two hundred three thousand, nine hundred ninety-six".