9493993 has 4 divisors (see below), whose sum is σ = 9546628. Its totient is φ = 9441360.

The previous prime is 9493961. The next prime is 9493999. The reversal of 9493993 is 3993949.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 8082649 = 1188^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 9493993 - 2⁵ = 9493961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9493999) 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, 26046 + ... + 26407.

It is an arithmetic number, because the mean of its divisors is an integer number (2386657).

Almost surely, 2^9493993 is an apocalyptic number.

It is an amenable number.

9493993 is a deficient number, since it is larger than the sum of its proper divisors (52635).

9493993 is a wasteful number, since it uses less digits than its factorization.

9493993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52634.

The product of its digits is 236196, while the sum is 46.

The square root of 9493993 is about 3081.2323833168. The cubic root of 9493993 is about 211.7465301651.

The spelling of 9493993 in words is "nine million, four hundred ninety-three thousand, nine hundred ninety-three".