2066305 has 8 divisors (see below), whose sum is σ = 2559744. Its totient is φ = 1599600.

The previous prime is 2066293. The next prime is 2066321. The reversal of 2066305 is 5036602.

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

It is not a de Polignac number, because 2066305 - 2⁷ = 2066177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6511 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (319968).

2^2066305 is an apocalyptic number.

It is an amenable number.

2066305 is a deficient number, since it is larger than the sum of its proper divisors (493439).

2066305 is a wasteful number, since it uses less digits than its factorization.

2066305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2066305 is about 1437.4647821773. The cubic root of 2066305 is about 127.3693137420.

The spelling of 2066305 in words is "two million, sixty-six thousand, three hundred five".