28327933 has 8 divisors (see below), whose sum is σ = 30181248. Its totient is φ = 26495424.

The previous prime is 28327931. The next prime is 28327939. The reversal of 28327933 is 33972382.

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

It is a cyclic number.

It is not a de Polignac number, because 28327933 - 2¹ = 28327931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28327892 and 28327901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28327931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (3772656).

Almost surely, 2^28327933 is an apocalyptic number.

It is an amenable number.

28327933 is a deficient number, since it is larger than the sum of its proper divisors (1853315).

28327933 is a wasteful number, since it uses less digits than its factorization.

28327933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403.

The product of its digits is 54432, while the sum is 37.

The square root of 28327933 is about 5322.3991770629. The cubic root of 28327933 is about 304.8397725108.

The spelling of 28327933 in words is "twenty-eight million, three hundred twenty-seven thousand, nine hundred thirty-three".