2010855 has 32 divisors (see below), whose sum is σ = 4013568. Its totient is φ = 835200.

The previous prime is 2010733. The next prime is 2010881. The reversal of 2010855 is 5580102.

It is not a de Polignac number, because 2010855 - 2⁷ = 2010727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (125424).

2^2010855 is an apocalyptic number.

2010855 is a deficient number, since it is larger than the sum of its proper divisors (2002713).

2010855 is a wasteful number, since it uses less digits than its factorization.

2010855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2010855 is about 1418.0461910671. The cubic root of 2010855 is about 126.2196345623.

Adding to 2010855 its reverse (5580102), we get a palindrome (7590957).

The spelling of 2010855 in words is "two million, ten thousand, eight hundred fifty-five".