2003939 has 8 divisors (see below), whose sum is σ = 2339328. Its totient is φ = 1680840.

The previous prime is 2003927. The next prime is 2003951. The reversal of 2003939 is 9393002.

It is an interprime number because it is at equal distance from previous prime (2003927) and next prime (2003951).

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

It is not a de Polignac number, because 2003939 - 2²⁰ = 955363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003959) 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 7 ways as a sum of consecutive naturals, for example, 2717 + ... + 3374.

It is an arithmetic number, because the mean of its divisors is an integer number (292416).

2^2003939 is an apocalyptic number.

2003939 is a deficient number, since it is larger than the sum of its proper divisors (335389).

2003939 is an equidigital number, since it uses as much as digits as its factorization.

2003939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 2003939 is about 1415.6055241486. The cubic root of 2003939 is about 126.0747645641.

The spelling of 2003939 in words is "two million, three thousand, nine hundred thirty-nine".