33009028 has 24 divisors (see below), whose sum is σ = 62823488. Its totient is φ = 15084576.

The previous prime is 33008999. The next prime is 33009029. The reversal of 33009028 is 82090033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33008993 and 33009011.

It is not an unprimeable number, because it can be changed into a prime (33009029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275 + ... + 8437.

Almost surely, 2^33009028 is an apocalyptic number.

It is an amenable number.

33009028 is a deficient number, since it is larger than the sum of its proper divisors (29814460).

33009028 is a wasteful number, since it uses less digits than its factorization.

33009028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 33009028 is about 5745.3483793413. The cubic root of 33009028 is about 320.7826804538.

The spelling of 33009028 in words is "thirty-three million, nine thousand, twenty-eight".