241218 has 20 divisors (see below), whose sum is σ = 540870. Its totient is φ = 80352.

The previous prime is 241207. The next prime is 241229. The reversal of 241218 is 812142.

241218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (241207) and next prime (241229).

It can be written as a sum of positive squares in only one way, i.e., 227529 + 13689 = 477^2 + 117^2 .

It is a super-2 number, since 2×241218² = 116372247048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 241218.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 241218.

It is an unprimeable number.

241218 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 9 ways as a sum of consecutive naturals, for example, 583 + ... + 906.

2²⁴¹²¹⁸ is an apocalyptic number.

241218 is an abundant number, since it is smaller than the sum of its proper divisors (299652).

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

241218 is a wasteful number, since it uses less digits than its factorization.

241218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503 (or 1494 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 241218 is about 491.1394913871. The cubic root of 241218 is about 62.2496008103.

The spelling of 241218 in words is "two hundred forty-one thousand, two hundred eighteen".