6881889 has 32 divisors (see below), whose sum is σ = 11425536. Its totient is φ = 3594240.

The previous prime is 6881873. The next prime is 6881893. The reversal of 6881889 is 9881886.

It is not a de Polignac number, because 6881889 - 2⁴ = 6881873 is a prime.

6881889 is a strobogrammatic number because it is the same when read upside-down.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6881839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12949 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (357048).

Almost surely, 2^6881889 is an apocalyptic number.

It is an amenable number.

6881889 is a deficient number, since it is larger than the sum of its proper divisors (4543647).

6881889 is a wasteful number, since it uses less digits than its factorization.

6881889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its digits is 221184, while the sum is 48.

The square root of 6881889 is about 2623.3354722566. The cubic root of 6881889 is about 190.2111134471.

The spelling of 6881889 in words is "six million, eight hundred eighty-one thousand, eight hundred eighty-nine".