243849406 has 8 divisors (see below), whose sum is σ = 365846184. Its totient is φ = 121900680.

The previous prime is 243849383. The next prime is 243849407. The reversal of 243849406 is 604948342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243849407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6196 + ... + 22936.

It is an arithmetic number, because the mean of its divisors is an integer number (45730773).

Almost surely, 2^243849406 is an apocalyptic number.

243849406 is a deficient number, since it is larger than the sum of its proper divisors (121996778).

243849406 is a wasteful number, since it uses less digits than its factorization.

243849406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 243849406 is about 15615.6782113362. The cubic root of 243849406 is about 624.7513942454.

The spelling of 243849406 in words is "two hundred forty-three million, eight hundred forty-nine thousand, four hundred six".