2066855 has 8 divisors (see below), whose sum is σ = 2834592. Its totient is φ = 1417248.

The previous prime is 2066833. The next prime is 2066879. The reversal of 2066855 is 5586602.

It is a happy number.

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

It is not a de Polignac number, because 2066855 - 2⁸ = 2066599 is a prime.

It is a Duffinian number.

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, 29492 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (354324).

2^2066855 is an apocalyptic number.

2066855 is a deficient number, since it is larger than the sum of its proper divisors (767737).

2066855 is an equidigital number, since it uses as much as digits as its factorization.

2066855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59065.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2066855 is about 1437.6560784833. The cubic root of 2066855 is about 127.3806136078.

The spelling of 2066855 in words is "two million, sixty-six thousand, eight hundred fifty-five".