2108443 has 2 divisors, whose sum is σ = 2108444. Its totient is φ = 2108442.

The previous prime is 2108437. The next prime is 2108453. The reversal of 2108443 is 3448012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108443 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2108453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054221 + 1054222.

It is an arithmetic number, because the mean of its divisors is an integer number (1054222).

2^2108443 is an apocalyptic number.

2108443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108443 is an equidigital number, since it uses as much as digits as its factorization.

2108443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2108443 is about 1452.0478642249. The cubic root of 2108443 is about 128.2293049506.

The spelling of 2108443 in words is "two million, one hundred eight thousand, four hundred forty-three".