6876889 has 4 divisors (see below), whose sum is σ = 7044660. Its totient is φ = 6709120.

The previous prime is 6876869. The next prime is 6876901. The reversal of 6876889 is 9886786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 5326864 = 1245^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 6876889 - 2⁹ = 6876377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6876809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83824 + ... + 83905.

It is an arithmetic number, because the mean of its divisors is an integer number (1761165).

Almost surely, 2^6876889 is an apocalyptic number.

It is an amenable number.

6876889 is a deficient number, since it is larger than the sum of its proper divisors (167771).

6876889 is a wasteful number, since it uses less digits than its factorization.

6876889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167770.

The product of its digits is 1161216, while the sum is 52.

The square root of 6876889 is about 2622.3823138513. The cubic root of 6876889 is about 190.1650366607.

The spelling of 6876889 in words is "six million, eight hundred seventy-six thousand, eight hundred eighty-nine".