2180895 has 16 divisors (see below), whose sum is σ = 3507840. Its totient is φ = 1157024.

The previous prime is 2180873. The next prime is 2180911. The reversal of 2180895 is 5980812.

It is a happy number.

2180895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2180895 - 2⁵ = 2180863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4996 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2^2180895 is an apocalyptic number.

2180895 is a deficient number, since it is larger than the sum of its proper divisors (1326945).

2180895 is a wasteful number, since it uses less digits than its factorization.

2180895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2180895 is about 1476.7853601658. The cubic root of 2180895 is about 129.6815677840.

The spelling of 2180895 in words is "two million, one hundred eighty thousand, eight hundred ninety-five".