9238409 has 2 divisors, whose sum is σ = 9238410. Its totient is φ = 9238408.

The previous prime is 9238399. The next prime is 9238423. The reversal of 9238409 is 9048329.

9238409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8248384 + 990025 = 2872^2 + 995^2 .

It is an emirp because it is prime and its reverse (9048329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9238409 - 2¹⁶ = 9172873 is a prime.

It is not a weakly prime, because it can be changed into another prime (9238459) by changing a digit.

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 as a sum of consecutive naturals, namely, 4619204 + 4619205.

It is an arithmetic number, because the mean of its divisors is an integer number (4619205).

Almost surely, 2^9238409 is an apocalyptic number.

It is an amenable number.

9238409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9238409 is an equidigital number, since it uses as much as digits as its factorization.

9238409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9238409 is about 3039.4751191612. The cubic root of 9238409 is about 209.8291051081.

The spelling of 9238409 in words is "nine million, two hundred thirty-eight thousand, four hundred nine".