9421393 has 4 divisors (see below), whose sum is σ = 9427968. Its totient is φ = 9414820.

The previous prime is 9421351. The next prime is 9421403. The reversal of 9421393 is 3931249.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3931249 = 7 ⋅561607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9421393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9421493) 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 3 ways as a sum of consecutive naturals, for example, 121 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (2356992).

Almost surely, 2^9421393 is an apocalyptic number.

It is an amenable number.

9421393 is a deficient number, since it is larger than the sum of its proper divisors (6575).

9421393 is a wasteful number, since it uses less digits than its factorization.

9421393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574.

The product of its digits is 5832, while the sum is 31.

The square root of 9421393 is about 3069.4287742184. The cubic root of 9421393 is about 211.2054108008.

The spelling of 9421393 in words is "nine million, four hundred twenty-one thousand, three hundred ninety-three".