2319944 has 32 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 1027200.

The previous prime is 2319943. The next prime is 2319953. The reversal of 2319944 is 4499132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2319944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2319943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287 + ... + 3929.

It is an arithmetic number, because the mean of its divisors is an integer number (152145).

2^2319944 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 2319944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434320).

2319944 is an abundant number, since it is smaller than the sum of its proper divisors (2548696).

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

2319944 is a wasteful number, since it uses less digits than its factorization.

2319944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 697 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2319944 is about 1523.1362381612. The cubic root of 2319944 is about 132.3810538085.

The spelling of 2319944 in words is "two million, three hundred nineteen thousand, nine hundred forty-four".