6856860 has 24 divisors (see below), whose sum is σ = 19199376. Its totient is φ = 1828480.

The previous prime is 6856841. The next prime is 6856873. The reversal of 6856860 is 686586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57081 + ... + 57200.

It is an arithmetic number, because the mean of its divisors is an integer number (799974).

Almost surely, 2^6856860 is an apocalyptic number.

6856860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6856860 is an abundant number, since it is smaller than the sum of its proper divisors (12342516).

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

6856860 is a wasteful number, since it uses less digits than its factorization.

6856860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114293 (or 114291 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6856860 is about 2618.5606733471. The cubic root of 6856860 is about 189.9802380185.

The spelling of 6856860 in words is "six million, eight hundred fifty-six thousand, eight hundred sixty".