2099873 has 4 divisors (see below), whose sum is σ = 2115120. Its totient is φ = 2084628.

The previous prime is 2099863. The next prime is 2099887. The reversal of 2099873 is 3789902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2099873 - 2⁶ = 2099809 is a prime.

It is a super-2 number, since 2×2099873² = 8818933232258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2099863) 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, 7415 + ... + 7692.

It is an arithmetic number, because the mean of its divisors is an integer number (528780).

2^2099873 is an apocalyptic number.

It is an amenable number.

2099873 is a deficient number, since it is larger than the sum of its proper divisors (15247).

2099873 is a wasteful number, since it uses less digits than its factorization.

2099873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15246.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2099873 is about 1449.0938547934. The cubic root of 2099873 is about 128.0553349617.

The spelling of 2099873 in words is "two million, ninety-nine thousand, eight hundred seventy-three".