47393 has 4 divisors (see below), whose sum is σ = 48048. Its totient is φ = 46740.

The previous prime is 47389. The next prime is 47407. The reversal of 47393 is 39374.

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: 39374 = 2 ⋅19687.

It is a cyclic number.

It is not a de Polignac number, because 47393 - 2² = 47389 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (47303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203 + ... + 368.

It is an arithmetic number, because the mean of its divisors is an integer number (12012).

2⁴⁷³⁹³ is an apocalyptic number.

It is an amenable number.

47393 is a deficient number, since it is larger than the sum of its proper divisors (655).

47393 is an equidigital number, since it uses as much as digits as its factorization.

47393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its digits is 2268, while the sum is 26.

The square root of 47393 is about 217.6993339448. The cubic root of 47393 is about 36.1885681677.

The spelling of 47393 in words is "forty-seven thousand, three hundred ninety-three".