3003999 has 8 divisors (see below), whose sum is σ = 4035120. Its totient is φ = 1987776.

The previous prime is 3003997. The next prime is 3004013. The reversal of 3003999 is 9993003.

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

It is not a de Polignac number, because 3003999 - 2¹ = 3003997 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3003997) 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, 3244 + ... + 4065.

It is an arithmetic number, because the mean of its divisors is an integer number (504390).

Almost surely, 2^3003999 is an apocalyptic number.

3003999 is a deficient number, since it is larger than the sum of its proper divisors (1031121).

3003999 is a wasteful number, since it uses less digits than its factorization.

3003999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449.

The product of its (nonzero) digits is 6561, while the sum is 33.

The square root of 3003999 is about 1733.2048349806. The cubic root of 3003999 is about 144.2890125331.

The spelling of 3003999 in words is "three million, three thousand, nine hundred ninety-nine".