2066803 has 6 divisors (see below), whose sum is σ = 2161124. Its totient is φ = 1976436.

The previous prime is 2066797. The next prime is 2066833. The reversal of 2066803 is 3086602.

It is not a de Polignac number, because 2066803 - 2¹³ = 2058611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066833) 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 5 ways as a sum of consecutive naturals, for example, 1425 + ... + 2482.

2^2066803 is an apocalyptic number.

2066803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2066803 is a deficient number, since it is larger than the sum of its proper divisors (94321).

2066803 is an equidigital number, since it uses as much as digits as its factorization.

2066803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2066803 is about 1437.6379933766. The cubic root of 2066803 is about 127.3795453427.

The spelling of 2066803 in words is "two million, sixty-six thousand, eight hundred three".