3001995 has 32 divisors (see below), whose sum is σ = 5490240. Its totient is φ = 1555200.

The previous prime is 3001991. The next prime is 3002003. The reversal of 3001995 is 5991003.

It is not a de Polignac number, because 3001995 - 2² = 3001991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3001991) 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 31 ways as a sum of consecutive naturals, for example, 4695 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (171570).

Almost surely, 2^3001995 is an apocalyptic number.

3001995 is a deficient number, since it is larger than the sum of its proper divisors (2488245).

3001995 is a wasteful number, since it uses less digits than its factorization.

3001995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 3001995 is about 1732.6266187497. The cubic root of 3001995 is about 144.2569198122.

Adding to 3001995 its reverse (5991003), we get a palindrome (8992998).

The spelling of 3001995 in words is "three million, one thousand, nine hundred ninety-five".