33554428 has 12 divisors (see below), whose sum is σ = 59969952. Its totient is φ = 16420160.

The previous prime is 33554393. The next prime is 33554467. The reversal of 33554428 is 82445533.

It is a super-3 number, since 3×33554428³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 2.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 33554393 and 33554402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89053 + ... + 89428.

It is an arithmetic number, because the mean of its divisors is an integer number (4997496).

Almost surely, 2^33554428 is an apocalyptic number.

It is an amenable number.

33554428 is a deficient number, since it is larger than the sum of its proper divisors (26415524).

33554428 is a wasteful number, since it uses less digits than its factorization.

33554428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178532 (or 178530 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 33554428 is about 5792.6184062132. The cubic root of 33554428 is about 322.5397759565.

The spelling of 33554428 in words is "thirty-three million, five hundred fifty-four thousand, four hundred twenty-eight".