268808 has 8 divisors (see below), whose sum is σ = 504030. Its totient is φ = 134400.

The previous prime is 268789. The next prime is 268811. The reversal of 268808 is 808862.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 484 = 518^2 + 22^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268808.

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 as a sum of consecutive naturals, namely, 16793 + ... + 16808.

2²⁶⁸⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

268808 is a deficient number, since it is larger than the sum of its proper divisors (235222).

268808 is a wasteful number, since it uses less digits than its factorization.

268808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33607 (or 33603 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 268808 is about 518.4669709827. The cubic root of 268808 is about 64.5377860841.

The spelling of 268808 in words is "two hundred sixty-eight thousand, eight hundred eight".