243849126 has 8 divisors (see below), whose sum is σ = 487698264. Its totient is φ = 81283040.

The previous prime is 243849119. The next prime is 243849143. The reversal of 243849126 is 621948342.

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

243849126 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20320755 + ... + 20320766.

It is an arithmetic number, because the mean of its divisors is an integer number (60962283).

Almost surely, 2^243849126 is an apocalyptic number.

243849126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243849126 is a wasteful number, since it uses less digits than its factorization.

243849126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40641526.

The product of its digits is 82944, while the sum is 39.

The square root of 243849126 is about 15615.6692459849. The cubic root of 243849126 is about 624.7511551218.

The spelling of 243849126 in words is "two hundred forty-three million, eight hundred forty-nine thousand, one hundred twenty-six".