6873885 has 12 divisors (see below), whose sum is σ = 11914812. Its totient is φ = 3666048.

The previous prime is 6873871. The next prime is 6873901. The reversal of 6873885 is 5883786.

6873885 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4782969 + 2090916 = 2187^2 + 1446^2 .

It is not a de Polignac number, because 6873885 - 2⁶ = 6873821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 152753 = 6873885 / (6 + 8 + 7 + 3 + 8 + 8 + 5).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6873885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76332 + ... + 76421.

It is an arithmetic number, because the mean of its divisors is an integer number (992901).

Almost surely, 2^6873885 is an apocalyptic number.

It is an amenable number.

6873885 is a deficient number, since it is larger than the sum of its proper divisors (5040927).

6873885 is a wasteful number, since it uses less digits than its factorization.

6873885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152764 (or 152761 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 6873885 is about 2621.8094896464. The cubic root of 6873885 is about 190.1373429866.

Subtracting from 6873885 its reverse (5883786), we obtain a palindrome (990099).

The spelling of 6873885 in words is "six million, eight hundred seventy-three thousand, eight hundred eighty-five".