1944365 has 16 divisors (see below), whose sum is σ = 2493120. Its totient is φ = 1451520.

The previous prime is 1944361. The next prime is 1944373. The reversal of 1944365 is 5634491.

It is not a de Polignac number, because 1944365 - 2² = 1944361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9110 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (155820).

2^1944365 is an apocalyptic number.

It is an amenable number.

1944365 is a deficient number, since it is larger than the sum of its proper divisors (548755).

1944365 is a wasteful number, since it uses less digits than its factorization.

1944365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 12960, while the sum is 32.

The square root of 1944365 is about 1394.4048909840. The cubic root of 1944365 is about 124.8128399087.

The spelling of 1944365 in words is "one million, nine hundred forty-four thousand, three hundred sixty-five".