6828785 has 16 divisors (see below), whose sum is σ = 8487504. Its totient is φ = 5271552.

The previous prime is 6828779. The next prime is 6828821. The reversal of 6828785 is 5878286.

It can be written as a sum of positive squares in 8 ways, for example, as 6241 + 6822544 = 79^2 + 2612^2 .

It is a cyclic number.

It is not a de Polignac number, because 6828785 - 2¹⁴ = 6812401 is a prime.

It is a Duffinian number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 19169 + ... + 19521.

It is an arithmetic number, because the mean of its divisors is an integer number (530469).

Almost surely, 2^6828785 is an apocalyptic number.

It is an amenable number.

6828785 is a deficient number, since it is larger than the sum of its proper divisors (1658719).

6828785 is a wasteful number, since it uses less digits than its factorization.

6828785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its digits is 215040, while the sum is 44.

The square root of 6828785 is about 2613.1944053208. The cubic root of 6828785 is about 189.7205957875.

The spelling of 6828785 in words is "six million, eight hundred twenty-eight thousand, seven hundred eighty-five".