2003399 has 8 divisors (see below), whose sum is σ = 2135808. Its totient is φ = 1872640.

The previous prime is 2003387. The next prime is 2003411. The reversal of 2003399 is 9933002.

It is an interprime number because it is at equal distance from previous prime (2003387) and next prime (2003411).

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 2003399 - 2¹² = 1999303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003329) 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, 2939 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (266976).

2^2003399 is an apocalyptic number.

2003399 is a deficient number, since it is larger than the sum of its proper divisors (132409).

2003399 is a wasteful number, since it uses less digits than its factorization.

2003399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

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

The square root of 2003399 is about 1415.4147801970. The cubic root of 2003399 is about 126.0634391214.

The spelling of 2003399 in words is "two million, three thousand, three hundred ninety-nine".