243296 has 12 divisors (see below), whose sum is σ = 479052. Its totient is φ = 121632.

The previous prime is 243263. The next prime is 243301. The reversal of 243296 is 692342.

243296 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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 243296.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (39921).

2²⁴³²⁹⁶ is an apocalyptic number.

It is an amenable number.

243296 is a deficient number, since it is larger than the sum of its proper divisors (235756).

243296 is an equidigital number, since it uses as much as digits as its factorization.

243296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613 (or 7605 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 243296 is about 493.2504434869. The cubic root of 243296 is about 62.4278420571.

The spelling of 243296 in words is "two hundred forty-three thousand, two hundred ninety-six".