243668244 has 24 divisors (see below), whose sum is σ = 568820448. Its totient is φ = 81185440.

The previous prime is 243668219. The next prime is 243668263. The reversal of 243668244 is 442866342.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38599 + ... + 44465.

It is an arithmetic number, because the mean of its divisors is an integer number (23700852).

Almost surely, 2^243668244 is an apocalyptic number.

It is an amenable number.

243668244 is an abundant number, since it is smaller than the sum of its proper divisors (325152204).

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

243668244 is a wasteful number, since it uses less digits than its factorization.

243668244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335 (or 9333 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

The square root of 243668244 is about 15609.8764889412. The cubic root of 243668244 is about 624.5966412855.

The spelling of 243668244 in words is "two hundred forty-three million, six hundred sixty-eight thousand, two hundred forty-four".