2179798 has 8 divisors (see below), whose sum is σ = 3293640. Its totient is φ = 1081920.

The previous prime is 2179787. The next prime is 2179811. The reversal of 2179798 is 8979712.

It is a happy number.

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

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, 3643 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (411705).

2^2179798 is an apocalyptic number.

2179798 is a deficient number, since it is larger than the sum of its proper divisors (1113842).

2179798 is a wasteful number, since it uses less digits than its factorization.

2179798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982.

The product of its digits is 63504, while the sum is 43.

The square root of 2179798 is about 1476.4138986070. The cubic root of 2179798 is about 129.6598206666.

The spelling of 2179798 in words is "two million, one hundred seventy-nine thousand, seven hundred ninety-eight".