243941656 has 32 divisors (see below), whose sum is σ = 533859840. Its totient is φ = 102320928.

The previous prime is 243941647. The next prime is 243941671. The reversal of 243941656 is 656149342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43710 + ... + 48973.

It is an arithmetic number, because the mean of its divisors is an integer number (16683120).

Almost surely, 2^243941656 is an apocalyptic number.

It is an amenable number.

243941656 is an abundant number, since it is smaller than the sum of its proper divisors (289918184).

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

243941656 is a wasteful number, since it uses less digits than its factorization.

243941656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92743 (or 92739 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 243941656 is about 15618.6316942298. The cubic root of 243941656 is about 624.8301669750.

The spelling of 243941656 in words is "two hundred forty-three million, nine hundred forty-one thousand, six hundred fifty-six".