242939768 has 16 divisors (see below), whose sum is σ = 457558080. Its totient is φ = 120924288.

The previous prime is 242939761. The next prime is 242939779. The reversal of 242939768 is 867939242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242939761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66305 + ... + 69872.

It is an arithmetic number, because the mean of its divisors is an integer number (28597380).

Almost surely, 2^242939768 is an apocalyptic number.

It is an amenable number.

242939768 is a deficient number, since it is larger than the sum of its proper divisors (214618312).

242939768 is a wasteful number, since it uses less digits than its factorization.

242939768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136406 (or 136402 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 242939768 is about 15586.5252060875. The cubic root of 242939768 is about 623.9735839683.

The spelling of 242939768 in words is "two hundred forty-two million, nine hundred thirty-nine thousand, seven hundred sixty-eight".