6850000 has 60 divisors (see below), whose sum is σ = 16709868. Its totient is φ = 2720000.

The previous prime is 6849991. The next prime is 6850007. The reversal of 6850000 is 586.

It can be written as a sum of positive squares in 6 ways, for example, as 5419584 + 1430416 = 2328^2 + 1196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6850000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6850007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49932 + ... + 50068.

Almost surely, 2^6850000 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 6850000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8354934).

6850000 is an abundant number, since it is smaller than the sum of its proper divisors (9859868).

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

6850000 is an equidigital number, since it uses as much as digits as its factorization.

6850000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 6850000 is about 2617.2504656605. The cubic root of 6850000 is about 189.9168611329.

Adding to 6850000 its reverse (586), we get a palindrome (6850586).

The spelling of 6850000 in words is "six million, eight hundred fifty thousand".