2671687 has 4 divisors (see below), whose sum is σ = 2703960. Its totient is φ = 2639416.

The previous prime is 2671681. The next prime is 2671693. The reversal of 2671687 is 7861762.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2671681) and next prime (2671693).

It is a cyclic number.

It is not a de Polignac number, because 2671687 - 2³ = 2671679 is a prime.

It is a super-2 number, since 2×2671687² = 14275822851938, 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 (2671681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16012 + ... + 16177.

It is an arithmetic number, because the mean of its divisors is an integer number (675990).

2^2671687 is an apocalyptic number.

2671687 is a deficient number, since it is larger than the sum of its proper divisors (32273).

2671687 is an equidigital number, since it uses as much as digits as its factorization.

2671687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32272.

The product of its digits is 28224, while the sum is 37.

The square root of 2671687 is about 1634.5295959388. The cubic root of 2671687 is about 138.7592229348.

The spelling of 2671687 in words is "two million, six hundred seventy-one thousand, six hundred eighty-seven".