6851801 has 16 divisors (see below), whose sum is σ = 7914240. Its totient is φ = 5873280.

The previous prime is 6851791. The next prime is 6851807. The reversal of 6851801 is 1081586.

It is a cyclic number.

It is not a de Polignac number, because 6851801 - 2⁶ = 6851737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6851807) by changing a digit.

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, 14765 + ... + 15221.

It is an arithmetic number, because the mean of its divisors is an integer number (494640).

Almost surely, 2^6851801 is an apocalyptic number.

It is an amenable number.

6851801 is a deficient number, since it is larger than the sum of its proper divisors (1062439).

6851801 is a wasteful number, since it uses less digits than its factorization.

6851801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 6851801 is about 2617.5945064123. The cubic root of 6851801 is about 189.9335039696.

The spelling of 6851801 in words is "six million, eight hundred fifty-one thousand, eight hundred one".