2066845 has 8 divisors (see below), whose sum is σ = 2705760. Its totient is φ = 1503120.

The previous prime is 2066833. The next prime is 2066879. The reversal of 2066845 is 5486602.

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

It is not a de Polignac number, because 2066845 - 2⁷ = 2066717 is a prime.

It is a congruent number.

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, 18735 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (338220).

2^2066845 is an apocalyptic number.

It is an amenable number.

2066845 is a deficient number, since it is larger than the sum of its proper divisors (638915).

2066845 is a wasteful number, since it uses less digits than its factorization.

2066845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37595.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2066845 is about 1437.6526005958. The cubic root of 2066845 is about 127.3804081736.

The spelling of 2066845 in words is "two million, sixty-six thousand, eight hundred forty-five".