2171108 has 12 divisors (see below), whose sum is σ = 3964800. Its totient is φ = 1038312.

The previous prime is 2171107. The next prime is 2171119. The reversal of 2171108 is 8011712.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2171108.

It is not an unprimeable number, because it can be changed into a prime (2171101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11708 + ... + 11891.

It is an arithmetic number, because the mean of its divisors is an integer number (330400).

2^2171108 is an apocalyptic number.

It is an amenable number.

2171108 is a deficient number, since it is larger than the sum of its proper divisors (1793692).

2171108 is a wasteful number, since it uses less digits than its factorization.

2171108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626 (or 23624 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 2171108 is about 1473.4680179766. The cubic root of 2171108 is about 129.4872902361.

The spelling of 2171108 in words is "two million, one hundred seventy-one thousand, one hundred eight".