268988 has 6 divisors (see below), whose sum is σ = 470736. Its totient is φ = 134492.

The previous prime is 268979. The next prime is 268993. The reversal of 268988 is 889862.

It is a happy number.

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 268988.

It is an unprimeable number.

268988 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 as a sum of consecutive naturals, namely, 33620 + ... + 33627.

It is an arithmetic number, because the mean of its divisors is an integer number (78456).

2²⁶⁸⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

268988 is a deficient number, since it is larger than the sum of its proper divisors (201748).

268988 is a wasteful number, since it uses less digits than its factorization.

268988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67251 (or 67249 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 268988 is about 518.6405306183. The cubic root of 268988 is about 64.5521881970.

It can be divided in two parts, 2689 and 88, that multiplied together give a palindrome (236632).

The spelling of 268988 in words is "two hundred sixty-eight thousand, nine hundred eighty-eight".