6846820 has 12 divisors (see below), whose sum is σ = 14378364. Its totient is φ = 2738720.

The previous prime is 6846817. The next prime is 6846839. The reversal of 6846820 is 286486.

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 4235364 = 1616^2 + 2058^2 .

It is a super-2 number, since 2×6846820² = 93757888224800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 171151 + ... + 171190.

It is an arithmetic number, because the mean of its divisors is an integer number (1198197).

Almost surely, 2^6846820 is an apocalyptic number.

It is an amenable number.

6846820 is an abundant number, since it is smaller than the sum of its proper divisors (7531544).

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

6846820 is a wasteful number, since it uses less digits than its factorization.

6846820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342350 (or 342348 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 6846820 is about 2616.6428873654. The cubic root of 6846820 is about 189.8874679894.

The spelling of 6846820 in words is "six million, eight hundred forty-six thousand, eight hundred twenty".