8611671 has 4 divisors (see below), whose sum is σ = 11482232. Its totient is φ = 5741112.

The previous prime is 8611667. The next prime is 8611679. The reversal of 8611671 is 1761168.

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 8611671 - 2² = 8611667 is a prime.

It is a Duffinian number.

8611671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8611679) 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, 1435276 + ... + 1435281.

It is an arithmetic number, because the mean of its divisors is an integer number (2870558).

Almost surely, 2^8611671 is an apocalyptic number.

8611671 is a deficient number, since it is larger than the sum of its proper divisors (2870561).

8611671 is a wasteful number, since it uses less digits than its factorization.

8611671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870560.

The product of its digits is 2016, while the sum is 30.

The square root of 8611671 is about 2934.5648740486. The cubic root of 8611671 is about 204.9725999469.

It can be divided in two parts, 861167 and 1, that added together give a palindrome (861168).

The spelling of 8611671 in words is "eight million, six hundred eleven thousand, six hundred seventy-one".