2606671 has 4 divisors (see below), whose sum is σ = 2623432. Its totient is φ = 2589912.

The previous prime is 2606651. The next prime is 2606677. The reversal of 2606671 is 1766062.

2606671 = T₉₈ + T₉₉ + ... + T₂₅₄.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2606671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606677) 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 3 ways as a sum of consecutive naturals, for example, 8145 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (655858).

2^2606671 is an apocalyptic number.

2606671 is a deficient number, since it is larger than the sum of its proper divisors (16761).

2606671 is a wasteful number, since it uses less digits than its factorization.

2606671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2606671 is about 1614.5188137646. The cubic root of 2606671 is about 137.6243899156.

The spelling of 2606671 in words is "two million, six hundred six thousand, six hundred seventy-one".