2160085 has 12 divisors (see below), whose sum is σ = 2667204. Its totient is φ = 1679360.

The previous prime is 2160061. The next prime is 2160101. The reversal of 2160085 is 5800612.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 194481 + 1965604 = 441^2 + 1402^2 .

It is not a de Polignac number, because 2160085 - 2⁷ = 2159957 is a prime.

It is a Duffinian number.

2160085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8277 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (222267).

2^2160085 is an apocalyptic number.

It is an amenable number.

2160085 is a deficient number, since it is larger than the sum of its proper divisors (507119).

2160085 is an equidigital number, since it uses as much as digits as its factorization.

2160085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 303 counting only the distinct ones).

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

The square root of 2160085 is about 1469.7227629727. The cubic root of 2160085 is about 129.2677769996.

Adding to 2160085 its reverse (5800612), we get a palindrome (7960697).

It can be divided in two parts, 21 and 60085, that added together give a palindrome (60106).

The spelling of 2160085 in words is "two million, one hundred sixty thousand, eighty-five".