9393641 has 2 divisors, whose sum is σ = 9393642. Its totient is φ = 9393640.

The previous prime is 9393623. The next prime is 9393647. The reversal of 9393641 is 1463939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 2238016 = 2675^2 + 1496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9393641 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9393647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4696820 + 4696821.

It is an arithmetic number, because the mean of its divisors is an integer number (4696821).

Almost surely, 2^9393641 is an apocalyptic number.

It is an amenable number.

9393641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9393641 is an equidigital number, since it uses as much as digits as its factorization.

9393641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 9393641 is about 3064.9047293513. The cubic root of 9393641 is about 210.9978287177.

The spelling of 9393641 in words is "nine million, three hundred ninety-three thousand, six hundred forty-one".