242436 has 24 divisors (see below), whose sum is σ = 574560. Its totient is φ = 79552.

The previous prime is 242419. The next prime is 242441. The reversal of 242436 is 634242.

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242436.

It is an unprimeable number.

242436 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, 955 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2²⁴²⁴³⁶ is an apocalyptic number.

It is an amenable number.

242436 is an abundant number, since it is smaller than the sum of its proper divisors (332124).

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

242436 is a wasteful number, since it uses less digits than its factorization.

242436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 321 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 242436 is about 492.3779036472. The cubic root of 242436 is about 62.3541988033.

Adding to 242436 its reverse (634242), we get a palindrome (876678).

The spelling of 242436 in words is "two hundred forty-two thousand, four hundred thirty-six".