268418 has 8 divisors (see below), whose sum is σ = 406848. Its totient is φ = 132804.

The previous prime is 268403. The next prime is 268439. The reversal of 268418 is 814862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (50856).

2²⁶⁸⁴¹⁸ is an apocalyptic number.

268418 is a deficient number, since it is larger than the sum of its proper divisors (138430).

268418 is a wasteful number, since it uses less digits than its factorization.

268418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408.

The product of its digits is 3072, while the sum is 29.

The square root of 268418 is about 518.0907256456. The cubic root of 268418 is about 64.5065594355.

It can be divided in two parts, 268 and 418, that added together give a palindrome (686).

The spelling of 268418 in words is "two hundred sixty-eight thousand, four hundred eighteen".