242349 has 4 divisors (see below), whose sum is σ = 323136. Its totient is φ = 161564.

The previous prime is 242329. The next prime is 242357. The reversal of 242349 is 943242.

It is a happy number.

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 242349 - 2⁸ = 242093 is a prime.

It is an Ulam number.

It is a D-number.

242349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40389 + ... + 40394.

It is an arithmetic number, because the mean of its divisors is an integer number (80784).

2²⁴²³⁴⁹ is an apocalyptic number.

It is an amenable number.

242349 is a deficient number, since it is larger than the sum of its proper divisors (80787).

242349 is an equidigital number, since it uses as much as digits as its factorization.

242349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80786.

The product of its digits is 1728, while the sum is 24.

The square root of 242349 is about 492.2895489445. The cubic root of 242349 is about 62.3467391517.

The spelling of 242349 in words is "two hundred forty-two thousand, three hundred forty-nine".