268236 has 18 divisors (see below), whose sum is σ = 678132.
Its totient is φ = 89400.
The previous prime is 268211. The next prime is 268237. The reversal of 268236 is 632862.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (268237) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3690 + ... + 3761.
It is an arithmetic number, because the mean of its divisors is an integer number (37674).
2268236 is an apocalyptic number.
It is an amenable number.
268236 is an abundant number, since it is smaller than the sum of its proper divisors (409896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268236 is a wasteful number, since it uses less digits than its factorization.
268236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7461 (or 7456 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 268236 is about 517.9150509495.
The cubic root of 268236 is about 64.4919766476.
The spelling of 268236 in words is "two hundred sixty-eight thousand, two hundred thirty-six".