242403805 has 32 divisors (see below), whose sum is σ = 353433600. Its totient is φ = 155898432.

The previous prime is 242403803. The next prime is 242403817. The reversal of 242403805 is 508304242.

It is a cyclic number.

It is not a de Polignac number, because 242403805 - 2¹ = 242403803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242403803) 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 31 ways as a sum of consecutive naturals, for example, 66726 + ... + 70264.

It is an arithmetic number, because the mean of its divisors is an integer number (11044800).

Almost surely, 2^242403805 is an apocalyptic number.

It is an amenable number.

242403805 is a deficient number, since it is larger than the sum of its proper divisors (111029795).

242403805 is a wasteful number, since it uses less digits than its factorization.

242403805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 242403805 is about 15569.3225607282. The cubic root of 242403805 is about 623.5143851154.

The spelling of 242403805 in words is "two hundred forty-two million, four hundred three thousand, eight hundred five".