243804046 has 8 divisors (see below), whose sum is σ = 365790744. Its totient is φ = 121873800.

The previous prime is 243804031. The next prime is 243804049. The reversal of 243804046 is 640408342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 243803999 and 243804017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243804049) 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, 805 + ... + 22096.

It is an arithmetic number, because the mean of its divisors is an integer number (45723843).

Almost surely, 2^243804046 is an apocalyptic number.

243804046 is a deficient number, since it is larger than the sum of its proper divisors (121986698).

243804046 is a wasteful number, since it uses less digits than its factorization.

243804046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28226.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 243804046 is about 15614.2257573022. The cubic root of 243804046 is about 624.7126538317.

The spelling of 243804046 in words is "two hundred forty-three million, eight hundred four thousand, forty-six".