242885 has 8 divisors (see below), whose sum is σ = 301056. Its totient is φ = 187920.

The previous prime is 242873. The next prime is 242887. The reversal of 242885 is 588242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242885 - 2⁸ = 242629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (37632).

2²⁴²⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

242885 is a deficient number, since it is larger than the sum of its proper divisors (58171).

242885 is a wasteful number, since it uses less digits than its factorization.

242885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its digits is 5120, while the sum is 29.

The square root of 242885 is about 492.8336433321. The cubic root of 242885 is about 62.3926691202.

The spelling of 242885 in words is "two hundred forty-two thousand, eight hundred eighty-five".