243116 has 6 divisors (see below), whose sum is σ = 425460. Its totient is φ = 121556.

The previous prime is 243109. The next prime is 243119. The reversal of 243116 is 611342.

It is a junction number, because it is equal to n+sod(n) for n = 243094 and 243103.

It is not an unprimeable number, because it can be changed into a prime (243119) by changing a digit.

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 as a sum of consecutive naturals, namely, 30386 + ... + 30393.

It is an arithmetic number, because the mean of its divisors is an integer number (70910).

2²⁴³¹¹⁶ is an apocalyptic number.

It is an amenable number.

243116 is a deficient number, since it is larger than the sum of its proper divisors (182344).

243116 is a wasteful number, since it uses less digits than its factorization.

243116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60783 (or 60781 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 243116 is about 493.0679466362. The cubic root of 243116 is about 62.4124427302.

Adding to 243116 its reverse (611342), we get a palindrome (854458).

The spelling of 243116 in words is "two hundred forty-three thousand, one hundred sixteen".