2099198 has 4 divisors (see below), whose sum is σ = 3148800. Its totient is φ = 1049598.

The previous prime is 2099197. The next prime is 2099203. The reversal of 2099198 is 8919902.

2099198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8919902 = 2 ⋅4459951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099191) 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 as a sum of consecutive naturals, namely, 524798 + ... + 524801.

It is an arithmetic number, because the mean of its divisors is an integer number (787200).

2^2099198 is an apocalyptic number.

2099198 is a deficient number, since it is larger than the sum of its proper divisors (1049602).

2099198 is a wasteful number, since it uses less digits than its factorization.

2099198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049601.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 2099198 is about 1448.8609319048. The cubic root of 2099198 is about 128.0416124470.

The spelling of 2099198 in words is "two million, ninety-nine thousand, one hundred ninety-eight".