243346 has 8 divisors (see below), whose sum is σ = 367164. Its totient is φ = 120960.

The previous prime is 243343. The next prime is 243367. The reversal of 243346 is 643342.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 4225 = 489^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁹ + 4³ + 3⁴ + 3¹¹ + 4⁸ + 6 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (243343) 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, 346 + ... + 778.

2²⁴³³⁴⁶ is an apocalyptic number.

243346 is a deficient number, since it is larger than the sum of its proper divisors (123818).

243346 is a wasteful number, since it uses less digits than its factorization.

243346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its digits is 1728, while the sum is 22.

The square root of 243346 is about 493.3011250747. The cubic root of 243346 is about 62.4321182999.

Adding to 243346 its reverse (643342), we get a palindrome (886688).

The spelling of 243346 in words is "two hundred forty-three thousand, three hundred forty-six".