243268 has 12 divisors (see below), whose sum is σ = 433132. Its totient is φ = 119520.

The previous prime is 243263. The next prime is 243301. The reversal of 243268 is 862342.

It is a happy number.

243268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 97344 + 145924 = 312^2 + 382^2 .

It is not an unprimeable number, because it can be changed into a prime (243263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255 + ... + 742.

2²⁴³²⁶⁸ is an apocalyptic number.

It is an amenable number.

243268 is a deficient number, since it is larger than the sum of its proper divisors (189864).

243268 is a wasteful number, since it uses less digits than its factorization.

243268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1060 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 243268 is about 493.2220595229. Note that the first 3 decimals coincide. The cubic root of 243268 is about 62.4254471052.

It can be divided in two parts, 2432 and 68, that added together give a square (2500 = 50²).

The spelling of 243268 in words is "two hundred forty-three thousand, two hundred sixty-eight".