268818 has 16 divisors (see below), whose sum is σ = 586656. Its totient is φ = 81440.

The previous prime is 268817. The next prime is 268819. The reversal of 268818 is 818862.

It is an interprime number because it is at equal distance from previous prime (268817) and next prime (268819).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268818.

It is not an unprimeable number, because it can be changed into a prime (268811) 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, 1971 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (36666).

2²⁶⁸⁸¹⁸ is an apocalyptic number.

268818 is an abundant number, since it is smaller than the sum of its proper divisors (317838).

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

268818 is a wasteful number, since it uses less digits than its factorization.

268818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089.

The product of its digits is 6144, while the sum is 33.

The square root of 268818 is about 518.4766147089. The cubic root of 268818 is about 64.5385863701.

It can be divided in two parts, 2688 and 18, that multiplied together give a palindrome (48384).

The spelling of 268818 in words is "two hundred sixty-eight thousand, eight hundred eighteen".