2002671 has 24 divisors (see below), whose sum is σ = 3266480. Its totient is φ = 1211760.

The previous prime is 2002669. The next prime is 2002673. The reversal of 2002671 is 1762002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2002669) and next prime (2002673).

It is not a de Polignac number, because 2002671 - 2¹ = 2002669 is a prime.

It is a super-2 number, since 2×2002671² = 8021382268482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2961 + ... + 3573.

2^2002671 is an apocalyptic number.

2002671 is a deficient number, since it is larger than the sum of its proper divisors (1263809).

2002671 is a wasteful number, since it uses less digits than its factorization.

2002671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2002671 is about 1415.1575883978. The cubic root of 2002671 is about 126.0481675251.

Adding to 2002671 its reverse (1762002), we get a palindrome (3764673).

The spelling of 2002671 in words is "two million, two thousand, six hundred seventy-one".