6881392 has 20 divisors (see below), whose sum is σ = 15237616. Its totient is φ = 2949120.

The previous prime is 6881389. The next prime is 6881417. The reversal of 6881392 is 2931886.

It is a congruent number.

It is an unprimeable number.

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, 30609 + ... + 30832.

Almost surely, 2^6881392 is an apocalyptic number.

It is an amenable number.

6881392 is an abundant number, since it is smaller than the sum of its proper divisors (8356224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6881392 is a wasteful number, since it uses less digits than its factorization.

6881392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61456 (or 61450 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 6881392 is about 2623.2407438129. The cubic root of 6881392 is about 190.2065344137.

It can be divided in two parts, 688 and 1392, that added together give a triangular number (2080 = T₆₄).

The spelling of 6881392 in words is "six million, eight hundred eighty-one thousand, three hundred ninety-two".