33268289 has 8 divisors (see below), whose sum is σ = 33984360. Its totient is φ = 32560000.

The previous prime is 33268267. The next prime is 33268321. The reversal of 33268289 is 98286233.

It can be written as a sum of positive squares in 4 ways, for example, as 6848689 + 26419600 = 2617^2 + 5140^2 .

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 33268289 - 2⁸ = 33268033 is a prime.

It is a super-2 number, since 2×33268289² = 2213558105975042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33268219) 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 7 ways as a sum of consecutive naturals, for example, 7139 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (4248045).

Almost surely, 2^33268289 is an apocalyptic number.

It is an amenable number.

33268289 is a deficient number, since it is larger than the sum of its proper divisors (716071).

33268289 is a wasteful number, since it uses less digits than its factorization.

33268289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891.

The product of its digits is 124416, while the sum is 41.

The square root of 33268289 is about 5767.8669367453. The cubic root of 33268289 is about 321.6203265176.

The spelling of 33268289 in words is "thirty-three million, two hundred sixty-eight thousand, two hundred eighty-nine".