242308 has 12 divisors (see below), whose sum is σ = 462672. Its totient is φ = 110120.

The previous prime is 242279. The next prime is 242309. The reversal of 242308 is 803242.

It is a happy number.

It is a plaindrome in base 15.

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

242308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (38556).

2²⁴²³⁰⁸ is an apocalyptic number.

It is an amenable number.

242308 is a deficient number, since it is larger than the sum of its proper divisors (220364).

242308 is a wasteful number, since it uses less digits than its factorization.

242308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242308 is about 492.2479050235. The cubic root of 242308 is about 62.3432230647.

It can be divided in two parts, 24 and 2308, that added together give a palindrome (2332).

The spelling of 242308 in words is "two hundred forty-two thousand, three hundred eight".