33028912 has 40 divisors (see below), whose sum is σ = 75664800. Its totient is φ = 13665792.

The previous prime is 33028871. The next prime is 33028927. The reversal of 33028912 is 21982033.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 1837 + ... + 8332.

It is an arithmetic number, because the mean of its divisors is an integer number (1891620).

Almost surely, 2^33028912 is an apocalyptic number.

It is an amenable number.

33028912 is an abundant number, since it is smaller than the sum of its proper divisors (42635888).

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

33028912 is a wasteful number, since it uses less digits than its factorization.

33028912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213 (or 10207 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 33028912 is about 5747.0785621914. The cubic root of 33028912 is about 320.8470786188.

The spelling of 33028912 in words is "thirty-three million, twenty-eight thousand, nine hundred twelve".