33989117 has 4 divisors (see below), whose sum is σ = 34000800. Its totient is φ = 33977436.

The previous prime is 33989093. The next prime is 33989159. The reversal of 33989117 is 71198933.

33989117 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33989117 - 2¹⁴ = 33972733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33989177) 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, 2384 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (8500200).

Almost surely, 2^33989117 is an apocalyptic number.

It is an amenable number.

33989117 is a deficient number, since it is larger than the sum of its proper divisors (11683).

33989117 is an equidigital number, since it uses as much as digits as its factorization.

33989117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682.

The product of its digits is 40824, while the sum is 41.

The square root of 33989117 is about 5830.0186106049. The cubic root of 33989117 is about 323.9266110516.

The spelling of 33989117 in words is "thirty-three million, nine hundred eighty-nine thousand, one hundred seventeen".