3000999 has 4 divisors (see below), whose sum is σ = 4001336. Its totient is φ = 2000664.

The previous prime is 3000983. The next prime is 3001001. The reversal of 3000999 is 9990003.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3000999 - 2⁴ = 3000983 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

3000999 is a modest number, since divided by 999 gives 3 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000919) 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 3 ways as a sum of consecutive naturals, for example, 500164 + ... + 500169.

It is an arithmetic number, because the mean of its divisors is an integer number (1000334).

Almost surely, 2^3000999 is an apocalyptic number.

3000999 is a deficient number, since it is larger than the sum of its proper divisors (1000337).

3000999 is a wasteful number, since it uses less digits than its factorization.

3000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000336.

The product of its (nonzero) digits is 2187, while the sum is 30.

The square root of 3000999 is about 1732.3391700242. The cubic root of 3000999 is about 144.2409642243.

The spelling of 3000999 in words is "three million, nine hundred ninety-nine", and thus it is an aban number.