2180316 has 12 divisors (see below), whose sum is σ = 5087432. Its totient is φ = 726768.

The previous prime is 2180303. The next prime is 2180329. The reversal of 2180316 is 6130812.

It is an interprime number because it is at equal distance from previous prime (2180303) and next prime (2180329).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2180292 and 2180301.

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, 90835 + ... + 90858.

2^2180316 is an apocalyptic number.

It is an amenable number.

2180316 is an abundant number, since it is smaller than the sum of its proper divisors (2907116).

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

2180316 is a wasteful number, since it uses less digits than its factorization.

2180316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181700 (or 181698 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2180316 is about 1476.5893132486. The cubic root of 2180316 is about 129.6700904970.

The spelling of 2180316 in words is "two million, one hundred eighty thousand, three hundred sixteen".