33384128 has 28 divisors (see below), whose sum is σ = 66476880. Its totient is φ = 16634112.

The previous prime is 33384103. The next prime is 33384139. The reversal of 33384128 is 82148333.

It is a happy number.

It is a super-2 number, since 2×33384128² = 2229000004640768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 33384094 and 33384103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22250 + ... + 23702.

Almost surely, 2^33384128 is an apocalyptic number.

It is an amenable number.

33384128 is a deficient number, since it is larger than the sum of its proper divisors (33092752).

33384128 is a wasteful number, since it uses less digits than its factorization.

33384128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1814 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 33384128 is about 5777.8999645200. The cubic root of 33384128 is about 321.9931842751.

The spelling of 33384128 in words is "thirty-three million, three hundred eighty-four thousand, one hundred twenty-eight".