2106803 has 8 divisors (see below), whose sum is σ = 2170368. Its totient is φ = 2044224.

The previous prime is 2106781. The next prime is 2106809. The reversal of 2106803 is 3086012.

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

It is a cyclic number.

It is not a de Polignac number, because 2106803 - 2¹⁸ = 1844659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6575 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (271296).

2^2106803 is an apocalyptic number.

2106803 is a deficient number, since it is larger than the sum of its proper divisors (63565).

2106803 is a wasteful number, since it uses less digits than its factorization.

2106803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2106803 is about 1451.4830346924. The cubic root of 2106803 is about 128.1960496672.

The spelling of 2106803 in words is "two million, one hundred six thousand, eight hundred three".