2099003 has 8 divisors (see below), whose sum is σ = 2204928. Its totient is φ = 1994344.

The previous prime is 2098981. The next prime is 2099017. The reversal of 2099003 is 3009902.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2099003.

It is not an unprimeable number, because it can be changed into a prime (2099033) 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, 5876 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (275616).

2^2099003 is an apocalyptic number.

2099003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2099003 is a deficient number, since it is larger than the sum of its proper divisors (105925).

2099003 is a wasteful number, since it uses less digits than its factorization.

2099003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 2099003 is about 1448.7936360987. The cubic root of 2099003 is about 128.0376476173.

The spelling of 2099003 in words is "two million, ninety-nine thousand, three".