242886 has 16 divisors (see below), whose sum is σ = 555264. Its totient is φ = 69384.

The previous prime is 242873. The next prime is 242887. The reversal of 242886 is 688242.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242886.

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

242886 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 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (34704).

2²⁴²⁸⁸⁶ is an apocalyptic number.

242886 is an abundant number, since it is smaller than the sum of its proper divisors (312378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242886 is a wasteful number, since it uses less digits than its factorization.

242886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795.

The product of its digits is 6144, while the sum is 30.

The square root of 242886 is about 492.8346578722. The cubic root of 242886 is about 62.3927547472.

It can be divided in two parts, 242 and 886, that multiplied together give a palindrome (214412).

The spelling of 242886 in words is "two hundred forty-two thousand, eight hundred eighty-six".