2098311 has 4 divisors (see below), whose sum is σ = 2797752. Its totient is φ = 1398872.

The previous prime is 2098289. The next prime is 2098321. The reversal of 2098311 is 1138902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2098311 - 2⁵ = 2098279 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349716 + ... + 349721.

It is an arithmetic number, because the mean of its divisors is an integer number (699438).

2^2098311 is an apocalyptic number.

2098311 is a deficient number, since it is larger than the sum of its proper divisors (699441).

2098311 is an equidigital number, since it uses as much as digits as its factorization.

2098311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699440.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2098311 is about 1448.5547970305. The cubic root of 2098311 is about 128.0235755729.

The spelling of 2098311 in words is "two million, ninety-eight thousand, three hundred eleven".