28085336 has 16 divisors (see below), whose sum is σ = 53654400. Its totient is φ = 13777504.

The previous prime is 28085333. The next prime is 28085347. The reversal of 28085336 is 63358082.

It is a junction number, because it is equal to n+sod(n) for n = 28085296 and 28085305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085333) 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, 32696 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (3353400).

Almost surely, 2^28085336 is an apocalyptic number.

It is an amenable number.

28085336 is a deficient number, since it is larger than the sum of its proper divisors (25569064).

28085336 is a wasteful number, since it uses less digits than its factorization.

28085336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66298 (or 66294 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 28085336 is about 5299.5599817343. The cubic root of 28085336 is about 303.9670728418.

The spelling of 28085336 in words is "twenty-eight million, eighty-five thousand, three hundred thirty-six".