242799 has 4 divisors (see below), whose sum is σ = 323736. Its totient is φ = 161864.

The previous prime is 242797. The next prime is 242807. The reversal of 242799 is 997242.

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 242799 - 2¹ = 242797 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242797) 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, 40464 + ... + 40469.

It is an arithmetic number, because the mean of its divisors is an integer number (80934).

2²⁴²⁷⁹⁹ is an apocalyptic number.

242799 is a deficient number, since it is larger than the sum of its proper divisors (80937).

242799 is an equidigital number, since it uses as much as digits as its factorization.

242799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80936.

The product of its digits is 9072, while the sum is 33.

The square root of 242799 is about 492.7463850705. The cubic root of 242799 is about 62.3853043138.

It can be divided in two parts, 24 and 2799, that multiplied together give a palindrome (67176).

The spelling of 242799 in words is "two hundred forty-two thousand, seven hundred ninety-nine".