28085036 has 18 divisors (see below), whose sum is σ = 57173508. Its totient is φ = 12036360.

The previous prime is 28085027. The next prime is 28085051. The reversal of 28085036 is 63058082.

It is a junction number, because it is equal to n+sod(n) for n = 28084993 and 28085011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71450 + ... + 71841.

It is an arithmetic number, because the mean of its divisors is an integer number (3176306).

Almost surely, 2^28085036 is an apocalyptic number.

It is an amenable number.

28085036 is an abundant number, since it is smaller than the sum of its proper divisors (29088472).

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

28085036 is a wasteful number, since it uses less digits than its factorization.

28085036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143309 (or 143300 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 28085036 is about 5299.5316774221. The cubic root of 28085036 is about 303.9659905398.

The spelling of 28085036 in words is "twenty-eight million, eighty-five thousand, thirty-six".