2176216 has 16 divisors (see below), whose sum is σ = 4663440. Its totient is φ = 932640.

The previous prime is 2176211. The next prime is 2176243. The reversal of 2176216 is 6126712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19375 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (291465).

2^2176216 is an apocalyptic number.

It is an amenable number.

2176216 is an abundant number, since it is smaller than the sum of its proper divisors (2487224).

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

2176216 is a wasteful number, since it uses less digits than its factorization.

2176216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38874 (or 38870 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 2176216 is about 1475.2003253796. The cubic root of 2176216 is about 129.5887596307.

The spelling of 2176216 in words is "two million, one hundred seventy-six thousand, two hundred sixteen".