2099043 has 18 divisors (see below), whose sum is σ = 3130244. Its totient is φ = 1355112.

The previous prime is 2099033. The next prime is 2099059. The reversal of 2099043 is 3409902.

It is not a de Polignac number, because 2099043 - 2¹⁴ = 2082659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2098998 and 2099016.

It is not an unprimeable number, because it can be changed into a prime (2099033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31296 + ... + 31362.

2^2099043 is an apocalyptic number.

2099043 is a deficient number, since it is larger than the sum of its proper divisors (1031201).

2099043 is an equidigital number, since it uses as much as digits as its factorization.

2099043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2099043 is about 1448.8074406214. The cubic root of 2099043 is about 128.0384609357.

The spelling of 2099043 in words is "two million, ninety-nine thousand, forty-three".