243203796 has 60 divisors (see below), whose sum is σ = 693591360. Its totient is φ = 73697040.

The previous prime is 243203783. The next prime is 243203837. The reversal of 243203796 is 697302342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 243203796.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30556 + ... + 37683.

It is an arithmetic number, because the mean of its divisors is an integer number (11559856).

Almost surely, 2^243203796 is an apocalyptic number.

It is an amenable number.

243203796 is an abundant number, since it is smaller than the sum of its proper divisors (450387564).

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

243203796 is a wasteful number, since it uses less digits than its factorization.

243203796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68266 (or 68255 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 243203796 is about 15594.9926579014. The cubic root of 243203796 is about 624.1995478665.

The spelling of 243203796 in words is "two hundred forty-three million, two hundred three thousand, seven hundred ninety-six".