33037828 has 12 divisors (see below), whose sum is σ = 57944320. Its totient is φ = 16482312.

The previous prime is 33037813. The next prime is 33037831. The reversal of 33037828 is 82873033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33037793 and 33037802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7068 + ... + 10771.

Almost surely, 2^33037828 is an apocalyptic number.

It is an amenable number.

33037828 is a deficient number, since it is larger than the sum of its proper divisors (24906492).

33037828 is a wasteful number, since it uses less digits than its factorization.

33037828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18306 (or 18304 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 33037828 is about 5747.8542083111. The cubic root of 33037828 is about 320.8759464097.

The spelling of 33037828 in words is "thirty-three million, thirty-seven thousand, eight hundred twenty-eight".