243907612 has 12 divisors (see below), whose sum is σ = 459672136. Its totient is φ = 112572720.

The previous prime is 243907607. The next prime is 243907637. The reversal of 243907612 is 216709342.

243907612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345214 + ... + 2345317.

Almost surely, 2^243907612 is an apocalyptic number.

It is an amenable number.

243907612 is a deficient number, since it is larger than the sum of its proper divisors (215764524).

243907612 is a wasteful number, since it uses less digits than its factorization.

243907612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690548 (or 4690546 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 243907612 is about 15617.5418040100. The cubic root of 243907612 is about 624.8010989481.

The spelling of 243907612 in words is "two hundred forty-three million, nine hundred seven thousand, six hundred twelve".