2098911 has 16 divisors (see below), whose sum is σ = 3075840. Its totient is φ = 1267200.

The previous prime is 2098907. The next prime is 2098927. The reversal of 2098911 is 1198902.

It is not a de Polignac number, because 2098911 - 2² = 2098907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (192240).

2^2098911 is an apocalyptic number.

2098911 is a deficient number, since it is larger than the sum of its proper divisors (976929).

2098911 is a wasteful number, since it uses less digits than its factorization.

2098911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

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

The square root of 2098911 is about 1448.7618851971. The cubic root of 2098911 is about 128.0357769458.

Subtracting from 2098911 its reverse (1198902), we obtain a palindrome (900009).

The spelling of 2098911 in words is "two million, ninety-eight thousand, nine hundred eleven".