243917468 has 18 divisors (see below), whose sum is σ = 438713856. Its totient is φ = 118659888.

The previous prime is 243917449. The next prime is 243917489. The reversal of 243917468 is 864719342.

243917468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16796 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (24372992).

Almost surely, 2^243917468 is an apocalyptic number.

It is an amenable number.

243917468 is a deficient number, since it is larger than the sum of its proper divisors (194796388).

243917468 is a wasteful number, since it uses less digits than its factorization.

243917468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44621 (or 44582 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 243917468 is about 15617.8573434386. The cubic root of 243917468 is about 624.8095146438.

The spelling of 243917468 in words is "two hundred forty-three million, nine hundred seventeen thousand, four hundred sixty-eight".