33198128 has 20 divisors (see below), whose sum is σ = 64415520. Its totient is φ = 16574784.

The previous prime is 33198103. The next prime is 33198133. The reversal of 33198128 is 82189133.

It is a super-2 number, since 2×33198128² = 2204231405408768, which contains 22 as substring.

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, 15626 + ... + 17622.

It is an arithmetic number, because the mean of its divisors is an integer number (3220776).

Almost surely, 2^33198128 is an apocalyptic number.

It is an amenable number.

33198128 is a deficient number, since it is larger than the sum of its proper divisors (31217392).

33198128 is a wasteful number, since it uses less digits than its factorization.

33198128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3038 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 33198128 is about 5761.7816688937. The cubic root of 33198128 is about 321.3940741719.

The spelling of 33198128 in words is "thirty-three million, one hundred ninety-eight thousand, one hundred twenty-eight".