242849 has 4 divisors (see below), whose sum is σ = 248064. Its totient is φ = 237636.

The previous prime is 242819. The next prime is 242863. The reversal of 242849 is 948242.

242849 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242849 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (242819) 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, 2537 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (62016).

2²⁴²⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

242849 is a deficient number, since it is larger than the sum of its proper divisors (5215).

242849 is an equidigital number, since it uses as much as digits as its factorization.

242849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214.

The product of its digits is 4608, while the sum is 29.

The square root of 242849 is about 492.7971184981. The cubic root of 242849 is about 62.3895863896.

The spelling of 242849 in words is "two hundred forty-two thousand, eight hundred forty-nine".