33028404 has 48 divisors (see below), whose sum is σ = 79419648. Its totient is φ = 10677888.

The previous prime is 33028397. The next prime is 33028409. The reversal of 33028404 is 40482033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33028409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 88362 + ... + 88734.

It is an arithmetic number, because the mean of its divisors is an integer number (1654576).

Almost surely, 2^33028404 is an apocalyptic number.

It is an amenable number.

33028404 is an abundant number, since it is smaller than the sum of its proper divisors (46391244).

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

33028404 is a wasteful number, since it uses less digits than its factorization.

33028404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 33028404 is about 5747.0343656533. The cubic root of 33028404 is about 320.8454336847.

The spelling of 33028404 in words is "thirty-three million, twenty-eight thousand, four hundred four".