2010856 has 16 divisors (see below), whose sum is σ = 3796740. Its totient is φ = 998400.

The previous prime is 2010733. The next prime is 2010881. The reversal of 2010856 is 6580102.

2010856 = T₇₅ + T₇₆ + ... + T₂₃₁.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1876900 + 133956 = 1370^2 + 366^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 456 + ... + 2056.

2^2010856 is an apocalyptic number.

It is an amenable number.

2010856 is a deficient number, since it is larger than the sum of its proper divisors (1785884).

2010856 is a wasteful number, since it uses less digits than its factorization.

2010856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1760 counting only the distinct ones).

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

The square root of 2010856 is about 1418.0465436649. The cubic root of 2010856 is about 126.2196554854.

Adding to 2010856 its reverse (6580102), we get a palindrome (8590958).

It can be divided in two parts, 20108 and 56, that added together give a square (20164 = 142²).

The spelling of 2010856 in words is "two million, ten thousand, eight hundred fifty-six".