2186085 has 16 divisors (see below), whose sum is σ = 3816000. Its totient is φ = 1059840.

The previous prime is 2186059. The next prime is 2186087. The reversal of 2186085 is 5806812.

2186085 = T₂₅₄ + T₂₅₅ + ... + T₃₀₈.

2186085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2186085 - 2¹⁴ = 2169701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6460 + ... + 6789.

It is an arithmetic number, because the mean of its divisors is an integer number (238500).

2^2186085 is an apocalyptic number.

It is an amenable number.

2186085 is a deficient number, since it is larger than the sum of its proper divisors (1629915).

2186085 is a wasteful number, since it uses less digits than its factorization.

2186085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2186085 is about 1478.5415110845. The cubic root of 2186085 is about 129.7843564931.

It can be divided in two parts, 21860 and 85, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 2186085 in words is "two million, one hundred eighty-six thousand, eighty-five".