4393 has 4 divisors (see below), whose sum is σ = 4608. Its totient is φ = 4180.

The previous prime is 4391. The next prime is 4397. The reversal of 4393 is 3934.

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.

It is a cyclic number.

It is not a de Polignac number, because 4393 - 2¹ = 4391 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11, base 13, base 15 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 4393.

It is not an unprimeable number, because it can be changed into a prime (4391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73 + ... + 118.

It is an arithmetic number, because the mean of its divisors is an integer number (1152).

2⁴³⁹³ is an apocalyptic number.

It is an amenable number.

4393 is a deficient number, since it is larger than the sum of its proper divisors (215).

4393 is a wasteful number, since it uses less digits than its factorization.

4393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its digits is 324, while the sum is 19.

The square root of 4393 is about 66.2797103192. The cubic root of 4393 is about 16.3777310287.

It can be divided in two parts, 43 and 93, that added together give a triangular number (136 = T₁₆).

The spelling of 4393 in words is "four thousand, three hundred ninety-three".