33089328 has 60 divisors (see below), whose sum is σ = 94147248. Its totient is φ = 10846080.

The previous prime is 33089297. The next prime is 33089339. The reversal of 33089328 is 82398033.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 33089292 and 33089301.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6901 + ... + 10667.

Almost surely, 2^33089328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33089328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47073624).

33089328 is an abundant number, since it is smaller than the sum of its proper divisors (61057920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33089328 is a wasteful number, since it uses less digits than its factorization.

33089328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 33089328 is about 5752.3323965153. The cubic root of 33089328 is about 321.0425890445.

The spelling of 33089328 in words is "thirty-three million, eighty-nine thousand, three hundred twenty-eight".