2108216 has 16 divisors (see below), whose sum is σ = 4312440. Its totient is φ = 958240.

The previous prime is 2108177. The next prime is 2108231. The reversal of 2108216 is 6128012.

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, 11891 + ... + 12066.

2^2108216 is an apocalyptic number.

It is an amenable number.

2108216 is an abundant number, since it is smaller than the sum of its proper divisors (2204224).

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

2108216 is a wasteful number, since it uses less digits than its factorization.

2108216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23974 (or 23970 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2108216 is about 1451.9696966535. The cubic root of 2108216 is about 128.2247029612.

The spelling of 2108216 in words is "two million, one hundred eight thousand, two hundred sixteen".