2321444 has 6 divisors (see below), whose sum is σ = 4062534. Its totient is φ = 1160720.

The previous prime is 2321443. The next prime is 2321507. The reversal of 2321444 is 4441232.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 131044 = 1480^2 + 362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290177 + ... + 290184.

It is an arithmetic number, because the mean of its divisors is an integer number (677089).

2^2321444 is an apocalyptic number.

It is an amenable number.

2321444 is a deficient number, since it is larger than the sum of its proper divisors (1741090).

2321444 is a wasteful number, since it uses less digits than its factorization.

2321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580365 (or 580363 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2321444 is about 1523.6285636598. The cubic root of 2321444 is about 132.4095787498.

Adding to 2321444 its reverse (4441232), we get a palindrome (6762676).

The spelling of 2321444 in words is "two million, three hundred twenty-one thousand, four hundred forty-four".