33028288 has 42 divisors (see below), whose sum is σ = 67396868. Its totient is φ = 16058880.

The previous prime is 33028279. The next prime is 33028291. The reversal of 33028288 is 88282033.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107431 + ... + 107737.

Almost surely, 2^33028288 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 33028288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33698434).

33028288 is an abundant number, since it is smaller than the sum of its proper divisors (34368580).

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

33028288 is an equidigital number, since it uses as much as digits as its factorization.

33028288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 33028288 is about 5747.0242734828. The cubic root of 33028288 is about 320.8450580674.

The spelling of 33028288 in words is "thirty-three million, twenty-eight thousand, two hundred eighty-eight".