242908 has 6 divisors (see below), whose sum is σ = 425096. Its totient is φ = 121452.

The previous prime is 242887. The next prime is 242911. The reversal of 242908 is 809242.

It is a congruent number.

It is an unprimeable number.

242908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 30360 + ... + 30367.

2²⁴²⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

242908 is a deficient number, since it is larger than the sum of its proper divisors (182188).

242908 is a wasteful number, since it uses less digits than its factorization.

242908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60731 (or 60729 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 242908 is about 492.8569772256. The cubic root of 242908 is about 62.3946384830.

The spelling of 242908 in words is "two hundred forty-two thousand, nine hundred eight".