243828000 has 288 divisors, whose sum is σ = 933699312. Its totient is φ = 59904000.

The previous prime is 243827993. The next prime is 243828001. The reversal of 243828000 is 828342.

It can be written as a sum of positive squares in 8 ways, for example, as 3825936 + 240002064 = 1956^2 + 15492^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243828001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467740 + ... + 468260.

Almost surely, 2^243828000 is an apocalyptic number.

243828000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243828000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466849656).

243828000 is an abundant number, since it is smaller than the sum of its proper divisors (689871312).

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

243828000 is a wasteful number, since it uses less digits than its factorization.

243828000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 243828000 is about 15614.9927953874. The cubic root of 243828000 is about 624.7331127168.

The spelling of 243828000 in words is "two hundred forty-three million, eight hundred twenty-eight thousand".