3000991 has 8 divisors (see below), whose sum is σ = 3468960. Its totient is φ = 2542848.

The previous prime is 3000983. The next prime is 3001001. The reversal of 3000991 is 1990003.

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

It is not a de Polignac number, because 3000991 - 2³ = 3000983 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 (3000931) 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, 1786 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (433620).

Almost surely, 2^3000991 is an apocalyptic number.

3000991 is a deficient number, since it is larger than the sum of its proper divisors (467969).

3000991 is an equidigital number, since it uses as much as digits as its factorization.

3000991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 3000991 is about 1732.3368610060. The cubic root of 3000991 is about 144.2408360527.

Adding to 3000991 its reverse (1990003), we get a palindrome (4990994).

The spelling of 3000991 in words is "three million, nine hundred ninety-one", and thus it is an aban number.