2016685 has 16 divisors (see below), whose sum is σ = 2714112. Its totient is φ = 1425600.

The previous prime is 2016673. The next prime is 2016691. The reversal of 2016685 is 5866102.

It is not a de Polignac number, because 2016685 - 2⁵ = 2016653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

2^2016685 is an apocalyptic number.

It is an amenable number.

2016685 is a deficient number, since it is larger than the sum of its proper divisors (697427).

2016685 is a wasteful number, since it uses less digits than its factorization.

2016685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2016685 is about 1420.1003485670. The cubic root of 2016685 is about 126.3414982242.

It can be divided in two parts, 2016 and 685, that added together give a triangular number (2701 = T₇₃).

The spelling of 2016685 in words is "two million, sixteen thousand, six hundred eighty-five".