268936 has 8 divisors (see below), whose sum is σ = 504270. Its totient is φ = 134464.

The previous prime is 268927. The next prime is 268937. The reversal of 268936 is 639862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 260100 + 8836 = 510^2 + 94^2 .

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

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268937) by changing a digit.

268936 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, 16801 + ... + 16816.

2²⁶⁸⁹³⁶ is an apocalyptic number.

It is an amenable number.

268936 is a deficient number, since it is larger than the sum of its proper divisors (235334).

268936 is a wasteful number, since it uses less digits than its factorization.

268936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33623 (or 33619 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 268936 is about 518.5903971344. The cubic root of 268936 is about 64.5480282467.

The spelling of 268936 in words is "two hundred sixty-eight thousand, nine hundred thirty-six".