2180798 has 8 divisors (see below), whose sum is σ = 3283608. Its totient is φ = 1086264.

The previous prime is 2180797. The next prime is 2180803. The reversal of 2180798 is 8970812.

It is a happy number.

2180798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1361 + ... + 2492.

It is an arithmetic number, because the mean of its divisors is an integer number (410451).

2^2180798 is an apocalyptic number.

2180798 is a deficient number, since it is larger than the sum of its proper divisors (1102810).

2180798 is a wasteful number, since it uses less digits than its factorization.

2180798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2180798 is about 1476.7525181966. The cubic root of 2180798 is about 129.6796451332.

The spelling of 2180798 in words is "two million, one hundred eighty thousand, seven hundred ninety-eight".