242184479 has 4 divisors (see below), whose sum is σ = 245595600. Its totient is φ = 238773360.

The previous prime is 242184473. The next prime is 242184497. The reversal of 242184479 is 974481242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242184479 - 2⁴ = 242184463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242184473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705454 + ... + 1705595.

It is an arithmetic number, because the mean of its divisors is an integer number (61398900).

Almost surely, 2^242184479 is an apocalyptic number.

242184479 is a deficient number, since it is larger than the sum of its proper divisors (3411121).

242184479 is an equidigital number, since it uses as much as digits as its factorization.

242184479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411120.

The product of its digits is 129024, while the sum is 41.

The square root of 242184479 is about 15562.2774361595. The cubic root of 242184479 is about 623.3262772578.

The spelling of 242184479 in words is "two hundred forty-two million, one hundred eighty-four thousand, four hundred seventy-nine".