242646 has 16 divisors (see below), whose sum is σ = 498864. Its totient is φ = 78624.

The previous prime is 242639. The next prime is 242647. The reversal of 242646 is 646242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242647) 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, 325 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (31179).

2²⁴²⁶⁴⁶ is an apocalyptic number.

242646 is an abundant number, since it is smaller than the sum of its proper divisors (256218).

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

242646 is a wasteful number, since it uses less digits than its factorization.

242646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135.

The product of its digits is 2304, while the sum is 24.

The square root of 242646 is about 492.5911083241. The cubic root of 242646 is about 62.3721975092.

Adding to 242646 its reverse (646242), we get a palindrome (888888).

It can be divided in two parts, 242 and 646, that added together give a palindrome (888).

The spelling of 242646 in words is "two hundred forty-two thousand, six hundred forty-six".