2016985 has 8 divisors (see below), whose sum is σ = 2525760. Its totient is φ = 1543344.

The previous prime is 2016977. The next prime is 2016997. The reversal of 2016985 is 5896102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2016985 - 2³ = 2016977 is a prime.

It is an Ulam number.

It is a nialpdrome in base 8.

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 7 ways as a sum of consecutive naturals, for example, 8655 + ... + 8884.

It is an arithmetic number, because the mean of its divisors is an integer number (315720).

2^2016985 is an apocalyptic number.

It is an amenable number.

2016985 is a deficient number, since it is larger than the sum of its proper divisors (508775).

2016985 is a wasteful number, since it uses less digits than its factorization.

2016985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17567.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2016985 is about 1420.2059709774. The cubic root of 2016985 is about 126.3477627243.

The spelling of 2016985 in words is "two million, sixteen thousand, nine hundred eighty-five".