243492436 has 12 divisors (see below), whose sum is σ = 464849280. Its totient is φ = 110678360.

The previous prime is 243492409. The next prime is 243492437. The reversal of 243492436 is 634294342.

It is a junction number, because it is equal to n+sod(n) for n = 243492395 and 243492404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243492437) 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 in 3 ways as a sum of consecutive naturals, for example, 2766916 + ... + 2767003.

It is an arithmetic number, because the mean of its divisors is an integer number (38737440).

Almost surely, 2^243492436 is an apocalyptic number.

It is an amenable number.

243492436 is a deficient number, since it is larger than the sum of its proper divisors (221356844).

243492436 is a wasteful number, since it uses less digits than its factorization.

243492436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533934 (or 5533932 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 243492436 is about 15604.2441662517. The cubic root of 243492436 is about 624.4463884877.

The spelling of 243492436 in words is "two hundred forty-three million, four hundred ninety-two thousand, four hundred thirty-six".