9493 has 4 divisors (see below), whose sum is σ = 10368. Its totient is φ = 8620.

The previous prime is 9491. The next prime is 9497. The reversal of 9493 is 3949.

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 an emirpimes, since its reverse is a distinct semiprime: 3949 = 11 ⋅359.

It is a cyclic number.

It is not a de Polignac number, because 9493 - 2¹ = 9491 is a prime.

It is a d-powerful number, because it can be written as 9³ + 9⁴ + 4² + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421 + ... + 442.

It is an arithmetic number, because the mean of its divisors is an integer number (2592).

2⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

9493 is a deficient number, since it is larger than the sum of its proper divisors (875).

9493 is a wasteful number, since it uses less digits than its factorization.

9493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its digits is 972, while the sum is 25.

The square root of 9493 is about 97.4320275885. The cubic root of 9493 is about 21.1739147545.

The spelling of 9493 in words is "nine thousand, four hundred ninety-three".