242084321 has 4 divisors (see below), whose sum is σ = 242118912. Its totient is φ = 242049732.

The previous prime is 242084317. The next prime is 242084327. The reversal of 242084321 is 123480242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242084321 - 2² = 242084317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242084327) 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 3 ways as a sum of consecutive naturals, for example, 2681 + ... + 22166.

It is an arithmetic number, because the mean of its divisors is an integer number (60529728).

Almost surely, 2^242084321 is an apocalyptic number.

It is an amenable number.

242084321 is a deficient number, since it is larger than the sum of its proper divisors (34591).

242084321 is an equidigital number, since it uses as much as digits as its factorization.

242084321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34590.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 242084321 is about 15559.0591296518. The cubic root of 242084321 is about 623.2403376443.

The spelling of 242084321 in words is "two hundred forty-two million, eighty-four thousand, three hundred twenty-one".