6881330 has 8 divisors (see below), whose sum is σ = 12386412. Its totient is φ = 2752528.

The previous prime is 6881321. The next prime is 6881339. The reversal of 6881330 is 331886.

It is an interprime number because it is at equal distance from previous prime (6881321) and next prime (6881339).

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 64009 = 2611^2 + 253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6881293 and 6881302.

It is not an unprimeable number, because it can be changed into a prime (6881339) 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, 344057 + ... + 344076.

Almost surely, 2^6881330 is an apocalyptic number.

6881330 is a deficient number, since it is larger than the sum of its proper divisors (5505082).

6881330 is a wasteful number, since it uses less digits than its factorization.

6881330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688140.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6881330 is about 2623.2289263425. The cubic root of 6881330 is about 190.2059631707.

The spelling of 6881330 in words is "six million, eight hundred eighty-one thousand, three hundred thirty".