2194798 has 8 divisors (see below), whose sum is σ = 3435408. Its totient is φ = 1049664.

The previous prime is 2194757. The next prime is 2194811. The reversal of 2194798 is 8974912.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2194798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23811 + ... + 23902.

It is an arithmetic number, because the mean of its divisors is an integer number (429426).

2^2194798 is an apocalyptic number.

2194798 is a deficient number, since it is larger than the sum of its proper divisors (1240610).

2194798 is a wasteful number, since it uses less digits than its factorization.

2194798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47738.

The product of its digits is 36288, while the sum is 40.

The square root of 2194798 is about 1481.4850657364. The cubic root of 2194798 is about 129.9565535290.

It can be divided in two parts, 2194 and 798, that added together give a palindrome (2992).

The spelling of 2194798 in words is "two million, one hundred ninety-four thousand, seven hundred ninety-eight".