2182806 has 12 divisors (see below), whose sum is σ = 4729452. Its totient is φ = 727596.

The previous prime is 2182781. The next prime is 2182811. The reversal of 2182806 is 6082812.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2182806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60616 + ... + 60651.

It is an arithmetic number, because the mean of its divisors is an integer number (394121).

2^2182806 is an apocalyptic number.

2182806 is an abundant number, since it is smaller than the sum of its proper divisors (2546646).

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

2182806 is a wasteful number, since it uses less digits than its factorization.

2182806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121275 (or 121272 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2182806 is about 1477.4322319484. The cubic root of 2182806 is about 129.7194343674.

The spelling of 2182806 in words is "two million, one hundred eighty-two thousand, eight hundred six".