2159798 has 8 divisors (see below), whose sum is σ = 3318840. Its totient is φ = 1053520.

The previous prime is 2159789. The next prime is 2159809. The reversal of 2159798 is 8979512.

2159798 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 Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 13088 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (414855).

2^2159798 is an apocalyptic number.

2159798 is a deficient number, since it is larger than the sum of its proper divisors (1159042).

2159798 is a wasteful number, since it uses less digits than its factorization.

2159798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26382.

The product of its digits is 45360, while the sum is 41.

The square root of 2159798 is about 1469.6251222676. The cubic root of 2159798 is about 129.2620516855.

The spelling of 2159798 in words is "two million, one hundred fifty-nine thousand, seven hundred ninety-eight".