2098191 has 8 divisors (see below), whose sum is σ = 2962224. Its totient is φ = 1316480.

The previous prime is 2098183. The next prime is 2098193. The reversal of 2098191 is 1918902.

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

It is not a de Polignac number, because 2098191 - 2³ = 2098183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20520 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (370278).

2^2098191 is an apocalyptic number.

2098191 is a deficient number, since it is larger than the sum of its proper divisors (864033).

2098191 is a wasteful number, since it uses less digits than its factorization.

2098191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41161.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 2098191 is about 1448.5133758444. The cubic root of 2098191 is about 128.0211350192.

The spelling of 2098191 in words is "two million, ninety-eight thousand, one hundred ninety-one".