28795886 has 16 divisors (see below), whose sum is σ = 49486464. Its totient is φ = 12310584.

The previous prime is 28795883. The next prime is 28795891. The reversal of 28795886 is 68859782.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28795883) 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, 3881 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (3092904).

Almost surely, 2^28795886 is an apocalyptic number.

28795886 is a deficient number, since it is larger than the sum of its proper divisors (20690578).

28795886 is a wasteful number, since it uses less digits than its factorization.

28795886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095.

The product of its digits is 1935360, while the sum is 53.

The square root of 28795886 is about 5366.1798329911. The cubic root of 28795886 is about 306.5091769059.

The spelling of 28795886 in words is "twenty-eight million, seven hundred ninety-five thousand, eight hundred eighty-six".