6870885 has 16 divisors (see below), whose sum is σ = 12564096. Its totient is φ = 3140928.

The previous prime is 6870869. The next prime is 6870893. The reversal of 6870885 is 5880786.

It is a happy number.

It is not a de Polignac number, because 6870885 - 2⁴ = 6870869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32614 + ... + 32823.

It is an arithmetic number, because the mean of its divisors is an integer number (785256).

Almost surely, 2^6870885 is an apocalyptic number.

It is an amenable number.

6870885 is a deficient number, since it is larger than the sum of its proper divisors (5693211).

6870885 is a wasteful number, since it uses less digits than its factorization.

6870885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65452.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 6870885 is about 2621.2373032597. The cubic root of 6870885 is about 190.1096781347.

Subtracting from 6870885 its reverse (5880786), we obtain a palindrome (990099).

The spelling of 6870885 in words is "six million, eight hundred seventy thousand, eight hundred eighty-five".