2098999 has 4 divisors (see below), whose sum is σ = 2398864. Its totient is φ = 1799136.

The previous prime is 2098981. The next prime is 2099017. The reversal of 2098999 is 9998902.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2098981) and next prime (2099017).

It is a cyclic number.

It is not a de Polignac number, because 2098999 - 2¹³ = 2090807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098699) 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, 149922 + ... + 149935.

It is an arithmetic number, because the mean of its divisors is an integer number (599716).

2^2098999 is an apocalyptic number.

2098999 is a deficient number, since it is larger than the sum of its proper divisors (299865).

2098999 is an equidigital number, since it uses as much as digits as its factorization.

2098999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299864.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 2098999 is about 1448.7922556392. The cubic root of 2098999 is about 128.0375662849.

It can be divided in two parts, 2098 and 999, that multiplied together give a palindrome (2095902).

The spelling of 2098999 in words is "two million, ninety-eight thousand, nine hundred ninety-nine".