2099243 has 8 divisors (see below), whose sum is σ = 2152800. Its totient is φ = 2046528.

The previous prime is 2099221. The next prime is 2099249. The reversal of 2099243 is 3429902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2099243 - 2⁶ = 2099179 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 0 + 9 + 9 + 2²¹ + 4² + 3² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9053 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (269100).

2^2099243 is an apocalyptic number.

2099243 is a deficient number, since it is larger than the sum of its proper divisors (53557).

2099243 is a wasteful number, since it uses less digits than its factorization.

2099243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2099243 is about 1448.8764612623. The cubic root of 2099243 is about 128.0425273728.

The spelling of 2099243 in words is "two million, ninety-nine thousand, two hundred forty-three".