8820085 has 16 divisors (see below), whose sum is σ = 11217600. Its totient is φ = 6638976.

The previous prime is 8820083. The next prime is 8820121. The reversal of 8820085 is 5800288.

8820085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8820085 - 2¹ = 8820083 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21361 + ... + 21769.

It is an arithmetic number, because the mean of its divisors is an integer number (701100).

Almost surely, 2^8820085 is an apocalyptic number.

It is an amenable number.

8820085 is a deficient number, since it is larger than the sum of its proper divisors (2397515).

8820085 is a wasteful number, since it uses less digits than its factorization.

8820085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 8820085 is about 2969.8627914434. The cubic root of 8820085 is about 206.6129745477.

The spelling of 8820085 in words is "eight million, eight hundred twenty thousand, eighty-five".