243734896 has 30 divisors (see below), whose sum is σ = 488166176. Its totient is φ = 117768000.

The previous prime is 243734867. The next prime is 243734921. The reversal of 243734896 is 698437342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347346 + ... + 348046.

Almost surely, 2^243734896 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 243734896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244083088).

243734896 is an abundant number, since it is smaller than the sum of its proper divisors (244431280).

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

243734896 is an frugal number, since it uses more digits than its factorization.

243734896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 734 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 243734896 is about 15612.0112733754. The cubic root of 243734896 is about 624.6535859512.

The spelling of 243734896 in words is "two hundred forty-three million, seven hundred thirty-four thousand, eight hundred ninety-six".