6850656 has 72 divisors (see below), whose sum is σ = 20226024. Its totient is φ = 2280960.

The previous prime is 6850651. The next prime is 6850663. The reversal of 6850656 is 6560586.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6850656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6850651) 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 11 ways as a sum of consecutive naturals, for example, 7336 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (280917).

Almost surely, 2^6850656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6850656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10113012).

6850656 is an abundant number, since it is smaller than the sum of its proper divisors (13375368).

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

6850656 is an equidigital number, since it uses as much as digits as its factorization.

6850656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6850656 is about 2617.3757850183. The cubic root of 6850656 is about 189.9229234922.

The spelling of 6850656 in words is "six million, eight hundred fifty thousand, six hundred fifty-six".