2851206 has 16 divisors (see below), whose sum is σ = 6038064. Its totient is φ = 894464.

The previous prime is 2851187. The next prime is 2851231. The reversal of 2851206 is 6021582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13875 + ... + 14078.

It is an arithmetic number, because the mean of its divisors is an integer number (377379).

2^2851206 is an apocalyptic number.

2851206 is an abundant number, since it is smaller than the sum of its proper divisors (3186858).

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

2851206 is a wasteful number, since it uses less digits than its factorization.

2851206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27975.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2851206 is about 1688.5514502081. The cubic root of 2851206 is about 141.7999895228.

Adding to 2851206 its reverse (6021582), we get a palindrome (8872788).

The spelling of 2851206 in words is "two million, eight hundred fifty-one thousand, two hundred six".