2117108 has 12 divisors (see below), whose sum is σ = 4234272. Its totient is φ = 907320.

The previous prime is 2117099. The next prime is 2117119. The reversal of 2117108 is 8017112.

2117108 is an admirable number.

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 2117108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37778 + ... + 37833.

It is an arithmetic number, because the mean of its divisors is an integer number (352856).

2^2117108 is an apocalyptic number.

2117108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2117108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2117108 is a wasteful number, since it uses less digits than its factorization.

2117108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75622 (or 75620 counting only the distinct ones).

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

The square root of 2117108 is about 1455.0285220572. The cubic root of 2117108 is about 128.4047248062.

The spelling of 2117108 in words is "two million, one hundred seventeen thousand, one hundred eight".