2098813 has 2 divisors, whose sum is σ = 2098814. Its totient is φ = 2098812.

The previous prime is 2098801. The next prime is 2098841. The reversal of 2098813 is 3188902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 76729 = 1422^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098813 - 2⁵ = 2098781 is a prime.

2098813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2098883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049406 + 1049407.

It is an arithmetic number, because the mean of its divisors is an integer number (1049407).

2^2098813 is an apocalyptic number.

It is an amenable number.

2098813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098813 is an equidigital number, since it uses as much as digits as its factorization.

2098813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2098813 is about 1448.7280628192. The cubic root of 2098813 is about 128.0337842137.

The spelling of 2098813 in words is "two million, ninety-eight thousand, eight hundred thirteen".