242420437 has 16 divisors (see below), whose sum is σ = 289751040. Its totient is φ = 198305712.

The previous prime is 242420419. The next prime is 242420441. The reversal of 242420437 is 734024242.

It is a cyclic number.

It is not a de Polignac number, because 242420437 - 2¹¹ = 242418389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242429437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82764 + ... + 85642.

It is an arithmetic number, because the mean of its divisors is an integer number (18109440).

Almost surely, 2^242420437 is an apocalyptic number.

It is an amenable number.

242420437 is a deficient number, since it is larger than the sum of its proper divisors (47330603).

242420437 is a wasteful number, since it uses less digits than its factorization.

242420437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 242420437 is about 15569.8566788522. The cubic root of 242420437 is about 623.5286451419.

Adding to 242420437 its reverse (734024242), we get a palindrome (976444679).

The spelling of 242420437 in words is "two hundred forty-two million, four hundred twenty thousand, four hundred thirty-seven".