242084939 has 2 divisors, whose sum is σ = 242084940. Its totient is φ = 242084938.

The previous prime is 242084911. The next prime is 242084957. The reversal of 242084939 is 939480242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242084939 - 2²⁰ = 241036363 is a prime.

It is equal to p_13269686 and since 242084939 and 13269686 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 242084896 and 242084905.

It is not a weakly prime, because it can be changed into another prime (242084989) 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 as a sum of consecutive naturals, namely, 121042469 + 121042470.

It is an arithmetic number, because the mean of its divisors is an integer number (121042470).

Almost surely, 2^242084939 is an apocalyptic number.

242084939 is a deficient number, since it is larger than the sum of its proper divisors (1).

242084939 is an equidigital number, since it uses as much as digits as its factorization.

242084939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 242084939 is about 15559.0789894518. The cubic root of 242084939 is about 623.2408679859.

The spelling of 242084939 in words is "two hundred forty-two million, eighty-four thousand, nine hundred thirty-nine".