1944868 has 24 divisors (see below), whose sum is σ = 3705912. Its totient is φ = 889344.

The previous prime is 1944853. The next prime is 1944881. The reversal of 1944868 is 8684491.

It can be written as a sum of positive squares in 4 ways, for example, as 451584 + 1493284 = 672^2 + 1222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1944868.

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 in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (154413).

2^1944868 is an apocalyptic number.

It is an amenable number.

1944868 is a deficient number, since it is larger than the sum of its proper divisors (1761044).

1944868 is a wasteful number, since it uses less digits than its factorization.

1944868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 1944868 is about 1394.5852430024. The cubic root of 1944868 is about 124.8236018533.

The spelling of 1944868 in words is "one million, nine hundred forty-four thousand, eight hundred sixty-eight".