242183817 has 8 divisors (see below), whose sum is σ = 358790880. Its totient is φ = 161455860.

The previous prime is 242183801. The next prime is 242183827. The reversal of 242183817 is 718381242.

It is not a de Polignac number, because 242183817 - 2⁴ = 242183801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242183827) 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, 4484859 + ... + 4484912.

It is an arithmetic number, because the mean of its divisors is an integer number (44848860).

Almost surely, 2^242183817 is an apocalyptic number.

242183817 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

242183817 is a deficient number, since it is larger than the sum of its proper divisors (116607063).

242183817 is an equidigital number, since it uses as much as digits as its factorization.

242183817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969780 (or 8969774 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 242183817 is about 15562.2561667645. The cubic root of 242183817 is about 623.3257093129.

The spelling of 242183817 in words is "two hundred forty-two million, one hundred eighty-three thousand, eight hundred seventeen".