2172108 has 24 divisors (see below), whose sum is σ = 5232640. Its totient is φ = 700560.

The previous prime is 2172091. The next prime is 2172109. The reversal of 2172108 is 8012712.

It is not an unprimeable number, because it can be changed into a prime (2172109) 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, 2548 + ... + 3291.

2^2172108 is an apocalyptic number.

It is an amenable number.

2172108 is an abundant number, since it is smaller than the sum of its proper divisors (3060532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2172108 is a wasteful number, since it uses less digits than its factorization.

2172108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 2172108 is about 1473.8073144071. The cubic root of 2172108 is about 129.5071675545.

The spelling of 2172108 in words is "two million, one hundred seventy-two thousand, one hundred eight".