2006851 has 16 divisors (see below), whose sum is σ = 2545920. Its totient is φ = 1536480.

The previous prime is 2006831. The next prime is 2006869. The reversal of 2006851 is 1586002.

It is a happy number.

It is not a de Polignac number, because 2006851 - 2⁹ = 2006339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4965 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

2^2006851 is an apocalyptic number.

2006851 is a deficient number, since it is larger than the sum of its proper divisors (539069).

2006851 is a wasteful number, since it uses less digits than its factorization.

2006851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2006851 is about 1416.6336858906. The cubic root of 2006851 is about 126.1358030202.

The spelling of 2006851 in words is "two million, six thousand, eight hundred fifty-one".