2006685 has 24 divisors (see below), whose sum is σ = 3662880. Its totient is φ = 1013472.

The previous prime is 2006677. The next prime is 2006689. The reversal of 2006685 is 5866002.

It is not a de Polignac number, because 2006685 - 2³ = 2006677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (152620).

2^2006685 is an apocalyptic number.

It is an amenable number.

2006685 is a deficient number, since it is larger than the sum of its proper divisors (1656195).

2006685 is a wasteful number, since it uses less digits than its factorization.

2006685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2006685 is about 1416.5750950797. The cubic root of 2006685 is about 126.1323250804.

The spelling of 2006685 in words is "two million, six thousand, six hundred eighty-five".