33636089 has 4 divisors (see below), whose sum is σ = 33655440. Its totient is φ = 33616740.

The previous prime is 33636073. The next prime is 33636091. The reversal of 33636089 is 98063633.

33636089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 33636089 - 2⁴ = 33636073 is a prime.

It is a super-2 number, since 2×33636089² = 2262772966431842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33636049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6779 + ... + 10640.

It is an arithmetic number, because the mean of its divisors is an integer number (8413860).

Almost surely, 2^33636089 is an apocalyptic number.

It is an amenable number.

33636089 is a deficient number, since it is larger than the sum of its proper divisors (19351).

33636089 is a wasteful number, since it uses less digits than its factorization.

33636089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19350.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 33636089 is about 5799.6628350276. The cubic root of 33636089 is about 322.8012176812.

The spelling of 33636089 in words is "thirty-three million, six hundred thirty-six thousand, eighty-nine".