1944384 has 112 divisors (see below), whose sum is σ = 5974080. Its totient is φ = 552960.

The previous prime is 1944379. The next prime is 1944389. The reversal of 1944384 is 4834491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1944379) and next prime (1944389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47404 + ... + 47444.

It is an arithmetic number, because the mean of its divisors is an integer number (53340).

2^1944384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987040).

1944384 is an abundant number, since it is smaller than the sum of its proper divisors (4029696).

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

1944384 is a wasteful number, since it uses less digits than its factorization.

1944384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 78 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1944384 is about 1394.4117039096. The cubic root of 1944384 is about 124.8132464572.

It can be divided in two parts, 1944 and 384, that multiplied together give a square (746496 = 864²).

The spelling of 1944384 in words is "one million, nine hundred forty-four thousand, three hundred eighty-four".