9393691 has 4 divisors (see below), whose sum is σ = 9506952. Its totient is φ = 9280432.

The previous prime is 9393677. The next prime is 9393701. The reversal of 9393691 is 1963939.

9393691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1963939 = 43 ⋅45673.

It is a cyclic number.

It is not a de Polignac number, because 9393691 - 2⁷ = 9393563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9393641) 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, 56506 + ... + 56671.

It is an arithmetic number, because the mean of its divisors is an integer number (2376738).

Almost surely, 2^9393691 is an apocalyptic number.

9393691 is a deficient number, since it is larger than the sum of its proper divisors (113261).

9393691 is a wasteful number, since it uses less digits than its factorization.

9393691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113260.

The product of its digits is 39366, while the sum is 40.

The square root of 9393691 is about 3064.9128862008. The cubic root of 9393691 is about 210.9982030799.

The spelling of 9393691 in words is "nine million, three hundred ninety-three thousand, six hundred ninety-one".