33393 has 4 divisors (see below), whose sum is σ = 44528. Its totient is φ = 22260.

The previous prime is 33391. The next prime is 33403. The reversal of 33393 is 39333.

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 not a de Polignac number, because 33393 - 2¹ = 33391 is a prime.

It is a super-2 number, since 2×33393² = 2230184898, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (33391) 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, 5563 + ... + 5568.

It is an arithmetic number, because the mean of its divisors is an integer number (11132).

2³³³⁹³ is an apocalyptic number.

It is an amenable number.

33393 is a deficient number, since it is larger than the sum of its proper divisors (11135).

33393 is a wasteful number, since it uses less digits than its factorization.

33393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134.

The product of its digits is 729, while the sum is 21.

The square root of 33393 is about 182.7375166735. The cubic root of 33393 is about 32.2021705518.

The spelling of 33393 in words is "thirty-three thousand, three hundred ninety-three".