243098996 has 72 divisors (see below), whose sum is σ = 539128800. Its totient is φ = 95256000.

The previous prime is 243098953. The next prime is 243099007. The reversal of 243098996 is 699890342.

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 23 ways as a sum of consecutive naturals, for example, 106871 + ... + 109121.

It is an arithmetic number, because the mean of its divisors is an integer number (7487900).

Almost surely, 2^243098996 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 243098996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269564400).

243098996 is an abundant number, since it is smaller than the sum of its proper divisors (296029804).

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

243098996 is a wasteful number, since it uses less digits than its factorization.

243098996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 243098996 is about 15591.6322429693. The cubic root of 243098996 is about 624.1098761424.

The spelling of 243098996 in words is "two hundred forty-three million, ninety-eight thousand, nine hundred ninety-six".