9393121 has 4 divisors (see below), whose sum is σ = 9400000. Its totient is φ = 9386244.

The previous prime is 9393113. The next prime is 9393127. The reversal of 9393121 is 1213939.

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.

It is a cyclic number.

It is not a de Polignac number, because 9393121 - 2³ = 9393113 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9393121.

It is not an unprimeable number, because it can be changed into a prime (9393127) 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, 621 + ... + 4378.

It is an arithmetic number, because the mean of its divisors is an integer number (2350000).

Almost surely, 2^9393121 is an apocalyptic number.

It is an amenable number.

9393121 is a deficient number, since it is larger than the sum of its proper divisors (6879).

9393121 is a wasteful number, since it uses less digits than its factorization.

9393121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878.

The product of its digits is 1458, while the sum is 28.

The square root of 9393121 is about 3064.8198968292. The cubic root of 9393121 is about 210.9939352719.

The spelling of 9393121 in words is "nine million, three hundred ninety-three thousand, one hundred twenty-one".