243204604 has 12 divisors (see below), whose sum is σ = 430390800. Its totient is φ = 120235808.

The previous prime is 243204587. The next prime is 243204613. The reversal of 243204604 is 406402342.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341224 + ... + 341935.

It is an arithmetic number, because the mean of its divisors is an integer number (35865900).

Almost surely, 2^243204604 is an apocalyptic number.

It is an amenable number.

243204604 is a deficient number, since it is larger than the sum of its proper divisors (187186196).

243204604 is a wasteful number, since it uses less digits than its factorization.

243204604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683252 (or 683250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243204604 is about 15595.0185636311. The cubic root of 243204604 is about 624.2002391286.

Adding to 243204604 its reverse (406402342), we get a palindrome (649606946).

The spelling of 243204604 in words is "two hundred forty-three million, two hundred four thousand, six hundred four".