2016605 has 8 divisors (see below), whose sum is σ = 2436864. Its totient is φ = 1602000.

The previous prime is 2016593. The next prime is 2016607. The reversal of 2016605 is 5066102.

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

It is not a de Polignac number, because 2016605 - 2⁶ = 2016541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016607) by changing a digit.

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, 581 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (304608).

2^2016605 is an apocalyptic number.

It is an amenable number.

2016605 is a deficient number, since it is larger than the sum of its proper divisors (420259).

2016605 is a wasteful number, since it uses less digits than its factorization.

2016605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2016605 is about 1420.0721812640. The cubic root of 2016605 is about 126.3398275859.

The spelling of 2016605 in words is "two million, sixteen thousand, six hundred five".