243026604 has 72 divisors (see below), whose sum is σ = 628205760. Its totient is φ = 79200000.

The previous prime is 243026603. The next prime is 243026647. The reversal of 243026604 is 406620342.

243026604 is a `hidden beast` number, since 2 + 4 + 30 + 26 + 604 = 666.

243026604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243026603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323229 + ... + 323979.

It is an arithmetic number, because the mean of its divisors is an integer number (8725080).

Almost surely, 2^243026604 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 243026604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314102880).

243026604 is an abundant number, since it is smaller than the sum of its proper divisors (385179156).

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

243026604 is a wasteful number, since it uses less digits than its factorization.

243026604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 243026604 is about 15589.3105684633. The cubic root of 243026604 is about 624.0479191504.

Adding to 243026604 its reverse (406620342), we get a palindrome (649646946).

The spelling of 243026604 in words is "two hundred forty-three million, twenty-six thousand, six hundred four".