243214 has 4 divisors (see below), whose sum is σ = 364824. Its totient is φ = 121606.

The previous prime is 243209. The next prime is 243227. The reversal of 243214 is 412342.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2 + 4² + 2⁹ + 3¹¹ + 1 + 4⁸ .

It is a congruent number.

It is an unprimeable number.

243214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60802 + ... + 60805.

It is an arithmetic number, because the mean of its divisors is an integer number (91206).

2²⁴³²¹⁴ is an apocalyptic number.

243214 is a deficient number, since it is larger than the sum of its proper divisors (121610).

243214 is a wasteful number, since it uses less digits than its factorization.

243214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121609.

The product of its digits is 192, while the sum is 16.

The square root of 243214 is about 493.1673144076. The cubic root of 243214 is about 62.4208277504.

Adding to 243214 its reverse (412342), we get a palindrome (655556).

The spelling of 243214 in words is "two hundred forty-three thousand, two hundred fourteen", and thus it is an iban number.