6881441 has 4 divisors (see below), whose sum is σ = 7864512. Its totient is φ = 5898372.

The previous prime is 6881437. The next prime is 6881443. The reversal of 6881441 is 1441886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1441886 = 2 ⋅720943.

It is a cyclic number.

It is not a de Polignac number, because 6881441 - 2² = 6881437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6881398 and 6881407.

It is not an unprimeable number, because it can be changed into a prime (6881443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491525 + ... + 491538.

It is an arithmetic number, because the mean of its divisors is an integer number (1966128).

Almost surely, 2^6881441 is an apocalyptic number.

It is an amenable number.

6881441 is a deficient number, since it is larger than the sum of its proper divisors (983071).

6881441 is an equidigital number, since it uses as much as digits as its factorization.

6881441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983070.

The product of its digits is 6144, while the sum is 32.

The square root of 6881441 is about 2623.2500833889. The cubic root of 6881441 is about 190.2069858775.

The spelling of 6881441 in words is "six million, eight hundred eighty-one thousand, four hundred forty-one".