243808982 has 4 divisors (see below), whose sum is σ = 365713476. Its totient is φ = 121904490.

The previous prime is 243808963. The next prime is 243809057. The reversal of 243808982 is 289808342.

243808982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60952244 + ... + 60952247.

It is an arithmetic number, because the mean of its divisors is an integer number (91428369).

Almost surely, 2^243808982 is an apocalyptic number.

243808982 is a deficient number, since it is larger than the sum of its proper divisors (121904494).

243808982 is a wasteful number, since it uses less digits than its factorization.

243808982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121904493.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 243808982 is about 15614.3838174934. The cubic root of 243808982 is about 624.7168697323.

The spelling of 243808982 in words is "two hundred forty-three million, eight hundred eight thousand, nine hundred eighty-two".