2159085 has 16 divisors (see below), whose sum is σ = 3658176. Its totient is φ = 1083648.

The previous prime is 2159083. The next prime is 2159093. The reversal of 2159085 is 5809512.

It is not a de Polignac number, because 2159085 - 2¹ = 2159083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (228636).

2^2159085 is an apocalyptic number.

It is an amenable number.

2159085 is a deficient number, since it is larger than the sum of its proper divisors (1499091).

2159085 is a wasteful number, since it uses less digits than its factorization.

2159085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2159085 is about 1469.3825233750. The cubic root of 2159085 is about 129.2478259745.

The spelling of 2159085 in words is "two million, one hundred fifty-nine thousand, eighty-five".