243406706 has 8 divisors (see below), whose sum is σ = 367150320. Its totient is φ = 121023268.

The previous prime is 243406661. The next prime is 243406721. The reversal of 243406706 is 607604342.

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

It is a super-3 number, since 3×243406706³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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, 339596 + ... + 340311.

It is an arithmetic number, because the mean of its divisors is an integer number (45893790).

Almost surely, 2^243406706 is an apocalyptic number.

243406706 is a deficient number, since it is larger than the sum of its proper divisors (123743614).

243406706 is a wasteful number, since it uses less digits than its factorization.

243406706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680088.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 243406706 is about 15601.4969153604. The cubic root of 243406706 is about 624.3730938455.

The spelling of 243406706 in words is "two hundred forty-three million, four hundred six thousand, seven hundred six".