242335405 has 32 divisors (see below), whose sum is σ = 331228800. Its totient is φ = 168728832.

The previous prime is 242335403. The next prime is 242335421. The reversal of 242335405 is 504533242.

It is a cyclic number.

It is not a de Polignac number, because 242335405 - 2¹ = 242335403 is a prime.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242335403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391186 + ... + 391804.

It is an arithmetic number, because the mean of its divisors is an integer number (10350900).

Almost surely, 2^242335405 is an apocalyptic number.

It is an amenable number.

242335405 is a deficient number, since it is larger than the sum of its proper divisors (88893395).

242335405 is a wasteful number, since it uses less digits than its factorization.

242335405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 242335405 is about 15567.1257783831. The cubic root of 242335405 is about 623.4557331263.

Adding to 242335405 its reverse (504533242), we get a palindrome (746868647).

The spelling of 242335405 in words is "two hundred forty-two million, three hundred thirty-five thousand, four hundred five".