243676 has 6 divisors (see below), whose sum is σ = 426440. Its totient is φ = 121836.

The previous prime is 243673. The next prime is 243701. The reversal of 243676 is 676342.

It is a d-powerful number, because it can be written as 2⁹ + 4⁸ + 6³ + 3¹¹ + 7² + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30456 + ... + 30463.

2²⁴³⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

243676 is a deficient number, since it is larger than the sum of its proper divisors (182764).

243676 is a wasteful number, since it uses less digits than its factorization.

243676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60923 (or 60921 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 243676 is about 493.6354930513. The cubic root of 243676 is about 62.4603268220.

It can be divided in two parts, 2436 and 76, that multiplied together give a triangular number (185136 = T₆₀₈).

The spelling of 243676 in words is "two hundred forty-three thousand, six hundred seventy-six".