4644401 has 2 divisors, whose sum is σ = 4644402. Its totient is φ = 4644400.

The previous prime is 4644377. The next prime is 4644403. The reversal of 4644401 is 1044464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 564001 = 2020^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 4644401 - 2¹⁴ = 4628017 is a prime.

Together with 4644403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4644403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322200 + 2322201.

It is an arithmetic number, because the mean of its divisors is an integer number (2322201).

Almost surely, 2^4644401 is an apocalyptic number.

It is an amenable number.

4644401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644401 is an equidigital number, since it uses as much as digits as its factorization.

4644401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4644401 is about 2155.0872372134. The cubic root of 4644401 is about 166.8437349255.

Adding to 4644401 its reverse (1044464), we get a palindrome (5688865).

The spelling of 4644401 in words is "four million, six hundred forty-four thousand, four hundred one".