242356 has 6 divisors (see below), whose sum is σ = 424130. Its totient is φ = 121176.

The previous prime is 242329. The next prime is 242357. The reversal of 242356 is 653242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 8100 = 484^2 + 90^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30291 + ... + 30298.

2²⁴²³⁵⁶ is an apocalyptic number.

It is an amenable number.

242356 is a deficient number, since it is larger than the sum of its proper divisors (181774).

242356 is a wasteful number, since it uses less digits than its factorization.

242356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60593 (or 60591 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 242356 is about 492.2966585302. The cubic root of 242356 is about 62.3473394196.

Adding to 242356 its reverse (653242), we get a palindrome (895598).

The spelling of 242356 in words is "two hundred forty-two thousand, three hundred fifty-six".