33028528 has 20 divisors (see below), whose sum is σ = 68915728. Its totient is φ = 15243840.

The previous prime is 33028507. The next prime is 33028537. The reversal of 33028528 is 82582033.

It is a self number, because there is not a number n which added to its sum of digits gives 33028528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79188 + ... + 79603.

Almost surely, 2^33028528 is an apocalyptic number.

It is an amenable number.

33028528 is an abundant number, since it is smaller than the sum of its proper divisors (35887200).

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

33028528 is a wasteful number, since it uses less digits than its factorization.

33028528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158812 (or 158806 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 33028528 is about 5747.0451538160. The cubic root of 33028528 is about 320.8458352056.

The spelling of 33028528 in words is "thirty-three million, twenty-eight thousand, five hundred twenty-eight".