2321944 has 8 divisors (see below), whose sum is σ = 4353660. Its totient is φ = 1160968.

The previous prime is 2321923. The next prime is 2321947. The reversal of 2321944 is 4491232.

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 (2321947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145114 + ... + 145129.

2^2321944 is an apocalyptic number.

It is an amenable number.

2321944 is a deficient number, since it is larger than the sum of its proper divisors (2031716).

2321944 is a wasteful number, since it uses less digits than its factorization.

2321944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290249 (or 290245 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 2321944 is about 1523.7926368112. The cubic root of 2321944 is about 132.4190843329.

The spelling of 2321944 in words is "two million, three hundred twenty-one thousand, nine hundred forty-four".