242767393 has 4 divisors (see below), whose sum is σ = 264837168. Its totient is φ = 220697620.

The previous prime is 242767391. The next prime is 242767409. The reversal of 242767393 is 393767242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242767393 - 2¹ = 242767391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242767391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11034871 + ... + 11034892.

It is an arithmetic number, because the mean of its divisors is an integer number (66209292).

Almost surely, 2^242767393 is an apocalyptic number.

It is an amenable number.

242767393 is a deficient number, since it is larger than the sum of its proper divisors (22069775).

242767393 is a wasteful number, since it uses less digits than its factorization.

242767393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22069774.

The product of its digits is 381024, while the sum is 43.

The square root of 242767393 is about 15580.9946088175. The cubic root of 242767393 is about 623.8259713918.

The spelling of 242767393 in words is "two hundred forty-two million, seven hundred sixty-seven thousand, three hundred ninety-three".