242183638 has 8 divisors (see below), whose sum is σ = 372135960. Its totient is φ = 118138320.

The previous prime is 242183609. The next prime is 242183663. The reversal of 242183638 is 836381242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 242183597 and 242183606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476648 + ... + 1476811.

It is an arithmetic number, because the mean of its divisors is an integer number (46516995).

Almost surely, 2^242183638 is an apocalyptic number.

242183638 is a deficient number, since it is larger than the sum of its proper divisors (129952322).

242183638 is a wasteful number, since it uses less digits than its factorization.

242183638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953502.

The product of its digits is 55296, while the sum is 37.

The square root of 242183638 is about 15562.2504156693. The cubic root of 242183638 is about 623.3255557445.

The spelling of 242183638 in words is "two hundred forty-two million, one hundred eighty-three thousand, six hundred thirty-eight".