2016817 has 12 divisors (see below), whose sum is σ = 2275056. Its totient is φ = 1772840.

The previous prime is 2016787. The next prime is 2016821. The reversal of 2016817 is 7186102.

It is not a de Polignac number, because 2016817 - 2¹⁹ = 1492529 is a prime.

It is a super-2 number, since 2×2016817² = 8135101622978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2016791 and 2016800.

It is not an unprimeable number, because it can be changed into a prime (2016857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24258 + ... + 24340.

It is an arithmetic number, because the mean of its divisors is an integer number (189588).

2^2016817 is an apocalyptic number.

It is an amenable number.

2016817 is a deficient number, since it is larger than the sum of its proper divisors (258239).

2016817 is an equidigital number, since it uses as much as digits as its factorization.

2016817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2016817 is about 1420.1468233954. The cubic root of 2016817 is about 126.3442546808.

The spelling of 2016817 in words is "two million, sixteen thousand, eight hundred seventeen".