33032028 has 12 divisors (see below), whose sum is σ = 77074760. Its totient is φ = 11010672.

The previous prime is 33032017. The next prime is 33032029. The reversal of 33032028 is 82023033.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33032028² = 2182229747585568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33031995 and 33032013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33032029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376323 + ... + 1376346.

Almost surely, 2^33032028 is an apocalyptic number.

It is an amenable number.

33032028 is an abundant number, since it is smaller than the sum of its proper divisors (44042732).

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

33032028 is a wasteful number, since it uses less digits than its factorization.

33032028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752676 (or 2752674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 33032028 is about 5747.3496500561. The cubic root of 33032028 is about 320.8571680424.

The spelling of 33032028 in words is "thirty-three million, thirty-two thousand, twenty-eight".