242827 has 4 divisors (see below), whose sum is σ = 261520. Its totient is φ = 224136.

The previous prime is 242819. The next prime is 242863. The reversal of 242827 is 728242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242827 - 2³ = 242819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242807) 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, 9327 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (65380).

2²⁴²⁸²⁷ is an apocalyptic number.

242827 is a deficient number, since it is larger than the sum of its proper divisors (18693).

242827 is a wasteful number, since it uses less digits than its factorization.

242827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692.

The product of its digits is 1792, while the sum is 25.

The square root of 242827 is about 492.7747964334. The cubic root of 242827 is about 62.3877023486.

It can be divided in two parts, 2428 and 27, that multiplied together give a palindrome (65556).

The spelling of 242827 in words is "two hundred forty-two thousand, eight hundred twenty-seven".