33006993 has 4 divisors (see below), whose sum is σ = 44009328. Its totient is φ = 22004660.

The previous prime is 33006983. The next prime is 33007003. The reversal of 33006993 is 39960033.

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: 39960033 = 3 ⋅13320011.

It is an interprime number because it is at equal distance from previous prime (33006983) and next prime (33007003).

It is a cyclic number.

It is not a de Polignac number, because 33006993 - 2¹² = 33002897 is a prime.

33006993 is a modest number, since divided by 6993 gives 33 as remainder.

It is not an unprimeable number, because it can be changed into a prime (33006983) 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, 5501163 + ... + 5501168.

It is an arithmetic number, because the mean of its divisors is an integer number (11002332).

Almost surely, 2^33006993 is an apocalyptic number.

It is an amenable number.

33006993 is a deficient number, since it is larger than the sum of its proper divisors (11002335).

33006993 is a wasteful number, since it uses less digits than its factorization.

33006993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002334.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 33006993 is about 5745.1712768202. The cubic root of 33006993 is about 320.7760882555.

The spelling of 33006993 in words is "thirty-three million, six thousand, nine hundred ninety-three".