1944443 has 8 divisors (see below), whose sum is σ = 2148768. Its totient is φ = 1750144.

The previous prime is 1944401. The next prime is 1944457. The reversal of 1944443 is 3444491.

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 1944443 - 2⁶ = 1944379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1944473) 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, 2096 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (268596).

2^1944443 is an apocalyptic number.

1944443 is a deficient number, since it is larger than the sum of its proper divisors (204325).

1944443 is a wasteful number, since it uses less digits than its factorization.

1944443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013.

The product of its digits is 6912, while the sum is 29.

The square root of 1944443 is about 1394.4328596243. The cubic root of 1944443 is about 124.8145088805.

The spelling of 1944443 in words is "one million, nine hundred forty-four thousand, four hundred forty-three".