33943 has 8 divisors (see below), whose sum is σ = 41888. Its totient is φ = 26784.

The previous prime is 33941. The next prime is 33961. The reversal of 33943 is 34933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33943 - 2¹ = 33941 is a prime.

33943 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33941) 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 7 ways as a sum of consecutive naturals, for example, 96 + ... + 277.

It is an arithmetic number, because the mean of its divisors is an integer number (5236).

2³³⁹⁴³ is an apocalyptic number.

33943 is a deficient number, since it is larger than the sum of its proper divisors (7945).

33943 is a wasteful number, since it uses less digits than its factorization.

33943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 972, while the sum is 22.

The square root of 33943 is about 184.2362613602. The cubic root of 33943 is about 32.3780041736.

Subtracting 33943 from its reverse (34933), we obtain a triangular number (990 = T₄₄).

The spelling of 33943 in words is "thirty-three thousand, nine hundred forty-three".