3001971 has 16 divisors (see below), whose sum is σ = 4607744. Its totient is φ = 1702944.

The previous prime is 3001963. The next prime is 3001991. The reversal of 3001971 is 1791003.

It is not a de Polignac number, because 3001971 - 2³ = 3001963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Duffinian number.

3001971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3001931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2985 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (287984).

Almost surely, 2^3001971 is an apocalyptic number.

3001971 is a deficient number, since it is larger than the sum of its proper divisors (1605773).

3001971 is a wasteful number, since it uses less digits than its factorization.

3001971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 3001971 is about 1732.6196928351. The cubic root of 3001971 is about 144.2565353817.

Adding to 3001971 its reverse (1791003), we get a palindrome (4792974).

The spelling of 3001971 in words is "three million, one thousand, nine hundred seventy-one".