243246 has 16 divisors (see below), whose sum is σ = 494208. Its totient is φ = 79800.

The previous prime is 243239. The next prime is 243259. The reversal of 243246 is 642342.

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 243246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (30888).

2²⁴³²⁴⁶ is an apocalyptic number.

243246 is an abundant number, since it is smaller than the sum of its proper divisors (250962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243246 is a wasteful number, since it uses less digits than its factorization.

243246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 1152, while the sum is 21.

The square root of 243246 is about 493.1997566909. The cubic root of 243246 is about 62.4235652284.

Adding to 243246 its reverse (642342), we get a palindrome (885588).

The spelling of 243246 in words is "two hundred forty-three thousand, two hundred forty-six".