242769 has 4 divisors (see below), whose sum is σ = 323696. Its totient is φ = 161844.

The previous prime is 242747. The next prime is 242773. The reversal of 242769 is 967242.

It is a happy number.

242769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 242769 - 2⁹ = 242257 is a prime.

It is a super-2 number, since 2×242769² = 117873574722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242769.

It is not an unprimeable number, because it can be changed into a prime (242729) 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, 40459 + ... + 40464.

It is an arithmetic number, because the mean of its divisors is an integer number (80924).

2²⁴²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

242769 is a deficient number, since it is larger than the sum of its proper divisors (80927).

242769 is an equidigital number, since it uses as much as digits as its factorization.

242769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80926.

The product of its digits is 6048, while the sum is 30.

The square root of 242769 is about 492.7159425064. The cubic root of 242769 is about 62.3827347862.

The spelling of 242769 in words is "two hundred forty-two thousand, seven hundred sixty-nine".