4244321 has 8 divisors (see below), whose sum is σ = 4343040. Its totient is φ = 4146912.

The previous prime is 4244311. The next prime is 4244329. The reversal of 4244321 is 1234424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4244321 - 2¹⁰ = 4243297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4244293 and 4244302.

It is not an unprimeable number, because it can be changed into a prime (4244329) 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, 8936 + ... + 9398.

It is an arithmetic number, because the mean of its divisors is an integer number (542880).

Almost surely, 2^4244321 is an apocalyptic number.

It is an amenable number.

4244321 is a deficient number, since it is larger than the sum of its proper divisors (98719).

4244321 is a wasteful number, since it uses less digits than its factorization.

4244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

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

The square root of 4244321 is about 2060.1749925674. The cubic root of 4244321 is about 161.9084098439.

Adding to 4244321 its reverse (1234424), we get a palindrome (5478745).

The spelling of 4244321 in words is "four million, two hundred forty-four thousand, three hundred twenty-one".