6881293 has 4 divisors (see below), whose sum is σ = 6886588. Its totient is φ = 6876000.

The previous prime is 6881291. The next prime is 6881321. The reversal of 6881293 is 3921886.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3921886 = 2 ⋅1960943.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 4052169 = 1682^2 + 2013^2 .

It is a cyclic number.

It is not a de Polignac number, because 6881293 - 2¹ = 6881291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881291) 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, 793 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (1721647).

Almost surely, 2^6881293 is an apocalyptic number.

It is an amenable number.

6881293 is a deficient number, since it is larger than the sum of its proper divisors (5295).

6881293 is a wasteful number, since it uses less digits than its factorization.

6881293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

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

The square root of 6881293 is about 2623.2218739558. The cubic root of 6881293 is about 190.2056222660.

The spelling of 6881293 in words is "six million, eight hundred eighty-one thousand, two hundred ninety-three".