243272 has 16 divisors (see below), whose sum is σ = 466560. Its totient is φ = 118864.

The previous prime is 243263. The next prime is 243301. The reversal of 243272 is 272342.

It is a happy number.

243272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 243272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2²⁴³²⁷² is an apocalyptic number.

It is an amenable number.

243272 is a deficient number, since it is larger than the sum of its proper divisors (223288).

243272 is a wasteful number, since it uses less digits than its factorization.

243272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 696 counting only the distinct ones).

The product of its digits is 672, while the sum is 20.

The square root of 243272 is about 493.2261144749. The cubic root of 243272 is about 62.4257892524.

It can be divided in two parts, 243 and 272, that added together give a palindrome (515).

The spelling of 243272 in words is "two hundred forty-three thousand, two hundred seventy-two", and thus it is an iban number.