243440006 has 8 divisors (see below), whose sum is σ = 366008544. Its totient is φ = 121437160.

The previous prime is 243439969. The next prime is 243440033. The reversal of 243440006 is 600044342.

It is a happy number.

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

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, 140345 + ... + 142068.

It is an arithmetic number, because the mean of its divisors is an integer number (45751068).

Almost surely, 2^243440006 is an apocalyptic number.

243440006 is a deficient number, since it is larger than the sum of its proper divisors (122568538).

243440006 is a wasteful number, since it uses less digits than its factorization.

243440006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282846.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 243440006 is about 15602.5640841498. The cubic root of 243440006 is about 624.4015656383.

Adding to 243440006 its reverse (600044342), we get a palindrome (843484348).

The spelling of 243440006 in words is "two hundred forty-three million, four hundred forty thousand, six".