1942443 has 6 divisors (see below), whose sum is σ = 2805764. Its totient is φ = 1294956.

The previous prime is 1942441. The next prime is 1942453. The reversal of 1942443 is 3442491.

It is not a de Polignac number, because 1942443 - 2¹ = 1942441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107905 + ... + 107922.

2^1942443 is an apocalyptic number.

1942443 is a deficient number, since it is larger than the sum of its proper divisors (863321).

1942443 is a wasteful number, since it uses less digits than its factorization.

1942443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215833 (or 215830 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1942443 is about 1393.7155376905. The cubic root of 1942443 is about 124.7717006223.

The spelling of 1942443 in words is "one million, nine hundred forty-two thousand, four hundred forty-three".