268378 has 12 divisors (see below), whose sum is σ = 442890. Its totient is φ = 121880.

The previous prime is 268343. The next prime is 268403. The reversal of 268378 is 873862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 267289 + 1089 = 517^2 + 33^2 .

It is a d-powerful number, because it can be written as 2¹⁸ + 6⁴ + 3⁶ + 8² + 7² + 8⁴ .

It is an unprimeable number.

268378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313 + ... + 796.

2²⁶⁸³⁷⁸ is an apocalyptic number.

268378 is a deficient number, since it is larger than the sum of its proper divisors (174512).

268378 is a wasteful number, since it uses less digits than its factorization.

268378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1122 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 268378 is about 518.0521209299. The cubic root of 268378 is about 64.5033549924.

It can be divided in two parts, 268 and 378, that added together give a palindrome (646).

The spelling of 268378 in words is "two hundred sixty-eight thousand, three hundred seventy-eight".