1799944 has 8 divisors (see below), whose sum is σ = 3374910. Its totient is φ = 899968.

The previous prime is 1799929. The next prime is 1799951. The reversal of 1799944 is 4499971.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 722500 = 1038^2 + 850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1799944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112489 + ... + 112504.

2^1799944 is an apocalyptic number.

It is an amenable number.

1799944 is a deficient number, since it is larger than the sum of its proper divisors (1574966).

1799944 is a wasteful number, since it uses less digits than its factorization.

1799944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224999 (or 224995 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 1799944 is about 1341.6199163698. The cubic root of 1799944 is about 121.6427784046.

The spelling of 1799944 in words is "one million, seven hundred ninety-nine thousand, nine hundred forty-four".