9390243 has 8 divisors (see below), whose sum is σ = 12595968. Its totient is φ = 6222344.

The previous prime is 9390221. The next prime is 9390257. The reversal of 9390243 is 3420939.

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

It is a cyclic number.

It is not a de Polignac number, because 9390243 - 2⁸ = 9389987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9390243.

It is not an unprimeable number, because it can be changed into a prime (9390203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8871 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (1574496).

Almost surely, 2^9390243 is an apocalyptic number.

9390243 is a deficient number, since it is larger than the sum of its proper divisors (3205725).

9390243 is a wasteful number, since it uses less digits than its factorization.

9390243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18913.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 9390243 is about 3064.3503389789. The cubic root of 9390243 is about 210.9723839481.

The spelling of 9390243 in words is "nine million, three hundred ninety thousand, two hundred forty-three".