2606871 has 4 divisors (see below), whose sum is σ = 3475832. Its totient is φ = 1737912.

The previous prime is 2606833. The next prime is 2606873. The reversal of 2606871 is 1786062.

It is a happy number.

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

It is not a de Polignac number, because 2606871 - 2¹⁰ = 2605847 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606873) 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, 434476 + ... + 434481.

It is an arithmetic number, because the mean of its divisors is an integer number (868958).

2^2606871 is an apocalyptic number.

2606871 is a deficient number, since it is larger than the sum of its proper divisors (868961).

2606871 is an equidigital number, since it uses as much as digits as its factorization.

2606871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868960.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2606871 is about 1614.5807505356. The cubic root of 2606871 is about 137.6279096251.

The spelling of 2606871 in words is "two million, six hundred six thousand, eight hundred seventy-one".