6856280 has 32 divisors (see below), whose sum is σ = 15528240. Its totient is φ = 2724480.

The previous prime is 6856279. The next prime is 6856357. The reversal of 6856280 is 826586.

It is a self number, because there is not a number n which added to its sum of digits gives 6856280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767 + ... + 7713.

Almost surely, 2^6856280 is an apocalyptic number.

It is an amenable number.

6856280 is an abundant number, since it is smaller than the sum of its proper divisors (8671960).

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

6856280 is a wasteful number, since it uses less digits than its factorization.

6856280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 6856280 is about 2618.4499231416. The cubic root of 6856280 is about 189.9748812592.

The spelling of 6856280 in words is "six million, eight hundred fifty-six thousand, two hundred eighty".