243895104 has 224 divisors, whose sum is σ = 770534400. Its totient is φ = 75479040.

The previous prime is 243895087. The next prime is 243895109. The reversal of 243895104 is 401598342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243895109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1553394 + ... + 1553550.

Almost surely, 2^243895104 is an apocalyptic number.

243895104 is a gapful number since it is divisible by the number (24) 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 243895104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385267200).

243895104 is an abundant number, since it is smaller than the sum of its proper divisors (526639296).

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

243895104 is a wasteful number, since it uses less digits than its factorization.

243895104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 243895104 is about 15617.1413517327. The cubic root of 243895104 is about 624.7904184755.

The spelling of 243895104 in words is "two hundred forty-three million, eight hundred ninety-five thousand, one hundred four".