28375206 has 16 divisors (see below), whose sum is σ = 56996784. Its totient is φ = 9417344.

The previous prime is 28375201. The next prime is 28375279. The reversal of 28375206 is 60257382.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28375201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8751 + ... + 11546.

It is an arithmetic number, because the mean of its divisors is an integer number (3562299).

Almost surely, 2^28375206 is an apocalyptic number.

28375206 is an abundant number, since it is smaller than the sum of its proper divisors (28621578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28375206 is a wasteful number, since it uses less digits than its factorization.

28375206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20535.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 28375206 is about 5326.8382742486. The cubic root of 28375206 is about 305.0092481295.

The spelling of 28375206 in words is "twenty-eight million, three hundred seventy-five thousand, two hundred six".