2687671 has 8 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 2290848.

The previous prime is 2687653. The next prime is 2687677. The reversal of 2687671 is 1767862.

It is a happy number.

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

It is not a de Polignac number, because 2687671 - 2⁵ = 2687639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2687671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687677) 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, 405 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

2^2687671 is an apocalyptic number.

2687671 is a deficient number, since it is larger than the sum of its proper divisors (401129).

2687671 is a wasteful number, since it uses less digits than its factorization.

2687671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

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

The square root of 2687671 is about 1639.4117847570. The cubic root of 2687671 is about 139.0353928816.

The spelling of 2687671 in words is "two million, six hundred eighty-seven thousand, six hundred seventy-one".