33928018 has 8 divisors (see below), whose sum is σ = 51176880. Its totient is φ = 16869060.

The previous prime is 33927997. The next prime is 33928019. The reversal of 33928018 is 81082933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33928018² = 2302220810816648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33928019) by changing a digit.

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, 47028 + ... + 47743.

It is an arithmetic number, because the mean of its divisors is an integer number (6397110).

Almost surely, 2^33928018 is an apocalyptic number.

33928018 is a deficient number, since it is larger than the sum of its proper divisors (17248862).

33928018 is a wasteful number, since it uses less digits than its factorization.

33928018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94952.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 33928018 is about 5824.7762188774. The cubic root of 33928018 is about 323.7323972878.

The spelling of 33928018 in words is "thirty-three million, nine hundred twenty-eight thousand, eighteen".