2098189 has 4 divisors (see below), whose sum is σ = 2208640. Its totient is φ = 1987740.

The previous prime is 2098183. The next prime is 2098193. The reversal of 2098189 is 9818902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9818902 = 2 ⋅4909451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2098189 is a prime.

It is a Duffinian number.

2098189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55197 + ... + 55234.

It is an arithmetic number, because the mean of its divisors is an integer number (552160).

2^2098189 is an apocalyptic number.

It is an amenable number.

2098189 is a deficient number, since it is larger than the sum of its proper divisors (110451).

2098189 is a wasteful number, since it uses less digits than its factorization.

2098189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110450.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2098189 is about 1448.5126854812. The cubic root of 2098189 is about 128.0210943425.

The spelling of 2098189 in words is "two million, ninety-eight thousand, one hundred eighty-nine".