2169043 has 4 divisors (see below), whose sum is σ = 2175928. Its totient is φ = 2162160.

The previous prime is 2169031. The next prime is 2169071. The reversal of 2169043 is 3409612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2169043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2168999 and 2169017.

It is not an unprimeable number, because it can be changed into a prime (2169073) 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, 2946 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (543982).

2^2169043 is an apocalyptic number.

2169043 is a deficient number, since it is larger than the sum of its proper divisors (6885).

2169043 is an equidigital number, since it uses as much as digits as its factorization.

2169043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2169043 is about 1472.7671234788. The cubic root of 2169043 is about 129.4462242499.

The spelling of 2169043 in words is "two million, one hundred sixty-nine thousand, forty-three".