242035638 has 16 divisors (see below), whose sum is σ = 521307696. Its totient is φ = 74472480.

The previous prime is 242035637. The next prime is 242035639. The reversal of 242035638 is 836530242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242035637) and next prime (242035639).

It is a junction number, because it is equal to n+sod(n) for n = 242035599 and 242035608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242035637) 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 7 ways as a sum of consecutive naturals, for example, 1551433 + ... + 1551588.

It is an arithmetic number, because the mean of its divisors is an integer number (32581731).

Almost surely, 2^242035638 is an apocalyptic number.

242035638 is an abundant number, since it is smaller than the sum of its proper divisors (279272058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242035638 is a wasteful number, since it uses less digits than its factorization.

242035638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103039.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 242035638 is about 15557.4945926393. The cubic root of 242035638 is about 623.1985571009.

The spelling of 242035638 in words is "two hundred forty-two million, thirty-five thousand, six hundred thirty-eight".