1944438 has 8 divisors (see below), whose sum is σ = 3888888. Its totient is φ = 648144.

The previous prime is 1944401. The next prime is 1944457. The reversal of 1944438 is 8344491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1944438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1944399 and 1944408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162031 + ... + 162042.

It is an arithmetic number, because the mean of its divisors is an integer number (486111).

2^1944438 is an apocalyptic number.

1944438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1944438 is a wasteful number, since it uses less digits than its factorization.

1944438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324078.

The product of its digits is 13824, while the sum is 33.

The square root of 1944438 is about 1394.4310667796. The cubic root of 1944438 is about 124.8144018965.

The spelling of 1944438 in words is "one million, nine hundred forty-four thousand, four hundred thirty-eight".