242395807 has 4 divisors (see below), whose sum is σ = 242435376. Its totient is φ = 242356240.

The previous prime is 242395801. The next prime is 242395819. The reversal of 242395807 is 708593242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242395807 - 2¹¹ = 242393759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242395807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242395801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8419 + ... + 23572.

It is an arithmetic number, because the mean of its divisors is an integer number (60608844).

Almost surely, 2^242395807 is an apocalyptic number.

242395807 is a deficient number, since it is larger than the sum of its proper divisors (39569).

242395807 is an equidigital number, since it uses as much as digits as its factorization.

242395807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39568.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 242395807 is about 15569.0657073570. The cubic root of 242395807 is about 623.5075275183.

The spelling of 242395807 in words is "two hundred forty-two million, three hundred ninety-five thousand, eight hundred seven".