1944120 has 64 divisors (see below), whose sum is σ = 6181920. Its totient is φ = 487424.

The previous prime is 1944113. The next prime is 1944127. The reversal of 1944120 is 214491.

It is an interprime number because it is at equal distance from previous prime (1944113) and next prime (1944127).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944127) 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 in 15 ways as a sum of consecutive naturals, for example, 1564 + ... + 2516.

2^1944120 is an apocalyptic number.

1944120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090960).

1944120 is an abundant number, since it is smaller than the sum of its proper divisors (4237800).

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

1944120 is a wasteful number, since it uses less digits than its factorization.

1944120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1944120 is about 1394.3170371189. The cubic root of 1944120 is about 124.8075973350.

The spelling of 1944120 in words is "one million, nine hundred forty-four thousand, one hundred twenty".