242879 has 16 divisors (see below), whose sum is σ = 318528. Its totient is φ = 179712.

The previous prime is 242873. The next prime is 242887. The reversal of 242879 is 978242.

It is not a de Polignac number, because 242879 - 2⁴ = 242863 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (19908).

2²⁴²⁸⁷⁹ is an apocalyptic number.

242879 is a deficient number, since it is larger than the sum of its proper divisors (75649).

242879 is a wasteful number, since it uses less digits than its factorization.

242879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 8064, while the sum is 32.

The square root of 242879 is about 492.8275560478. The cubic root of 242879 is about 62.3921553529.

It can be divided in two parts, 24 and 2879, that multiplied together give a palindrome (69096).

The spelling of 242879 in words is "two hundred forty-two thousand, eight hundred seventy-nine".