9393091 has 4 divisors (see below), whose sum is σ = 9592992. Its totient is φ = 9193192.

The previous prime is 9393089. The next prime is 9393103. The reversal of 9393091 is 1903939.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9393091 - 2¹ = 9393089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9393001) 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 in 3 ways as a sum of consecutive naturals, for example, 99880 + ... + 99973.

It is an arithmetic number, because the mean of its divisors is an integer number (2398248).

Almost surely, 2^9393091 is an apocalyptic number.

9393091 is a deficient number, since it is larger than the sum of its proper divisors (199901).

9393091 is a wasteful number, since it uses less digits than its factorization.

9393091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199900.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 9393091 is about 3064.8150025736. The cubic root of 9393091 is about 210.9937106456.

The spelling of 9393091 in words is "nine million, three hundred ninety-three thousand, ninety-one".