6895820 has 12 divisors (see below), whose sum is σ = 14481264. Its totient is φ = 2758320.

The previous prime is 6895817. The next prime is 6895849. The reversal of 6895820 is 285986.

It is a d-powerful number, because it can be written as 6 + 8² + 9⁷ + 5⁶ + 8⁷ + 2² + 0 .

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, 172376 + ... + 172415.

It is an arithmetic number, because the mean of its divisors is an integer number (1206772).

Almost surely, 2^6895820 is an apocalyptic number.

It is an amenable number.

6895820 is an abundant number, since it is smaller than the sum of its proper divisors (7585444).

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

6895820 is a wasteful number, since it uses less digits than its factorization.

6895820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344800 (or 344798 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 6895820 is about 2625.9893373736. The cubic root of 6895820 is about 190.3393749856.

The spelling of 6895820 in words is "six million, eight hundred ninety-five thousand, eight hundred twenty".