1944728 has 8 divisors (see below), whose sum is σ = 3646380. Its totient is φ = 972360.

The previous prime is 1944727. The next prime is 1944737. The reversal of 1944728 is 8274491.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944721) by changing a digit.

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, 121538 + ... + 121553.

2^1944728 is an apocalyptic number.

It is an amenable number.

1944728 is a deficient number, since it is larger than the sum of its proper divisors (1701652).

1944728 is a wasteful number, since it uses less digits than its factorization.

1944728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243097 (or 243093 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 1944728 is about 1394.5350479640. The cubic root of 1944728 is about 124.8206066674.

The spelling of 1944728 in words is "one million, nine hundred forty-four thousand, seven hundred twenty-eight".