2085555 has 16 divisors (see below), whose sum is σ = 3356064. Its totient is φ = 1105920.

The previous prime is 2085539. The next prime is 2085569. The reversal of 2085555 is 5555802.

It is not a de Polignac number, because 2085555 - 2⁴ = 2085539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (209754).

2^2085555 is an apocalyptic number.

2085555 is a deficient number, since it is larger than the sum of its proper divisors (1270509).

2085555 is a wasteful number, since it uses less digits than its factorization.

2085555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2085555 is about 1444.1450758148. The cubic root of 2085555 is about 127.7636221804.

It can be divided in two parts, 20855 and 55, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 2085555 in words is "two million, eighty-five thousand, five hundred fifty-five".