8212085 has 32 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 5211648.

The previous prime is 8212067. The next prime is 8212091. The reversal of 8212085 is 5802128.

It is a cyclic number.

It is not a de Polignac number, because 8212085 - 2⁶ = 8212021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35129 + ... + 35361.

It is an arithmetic number, because the mean of its divisors is an integer number (379080).

Almost surely, 2^8212085 is an apocalyptic number.

It is an amenable number.

8212085 is a deficient number, since it is larger than the sum of its proper divisors (3918475).

8212085 is a wasteful number, since it uses less digits than its factorization.

8212085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 8212085 is about 2865.6735682907. The cubic root of 8212085 is about 201.7519829650.

It can be divided in two parts, 82 and 12085, that added together give a cube (12167 = 23³).

The spelling of 8212085 in words is "eight million, two hundred twelve thousand, eighty-five".