4438361 has 2 divisors, whose sum is σ = 4438362. Its totient is φ = 4438360.

The previous prime is 4438349. The next prime is 4438391. The reversal of 4438361 is 1638344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 732736 = 1925^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 4438361 - 2¹⁰ = 4437337 is a prime.

It is not a weakly prime, because it can be changed into another prime (4438321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219180 + 2219181.

It is an arithmetic number, because the mean of its divisors is an integer number (2219181).

Almost surely, 2^4438361 is an apocalyptic number.

It is an amenable number.

4438361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4438361 is an equidigital number, since it uses as much as digits as its factorization.

4438361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 4438361 is about 2106.7417971835. The cubic root of 4438361 is about 164.3390887156.

It can be divided in two parts, 44383 and 61, that added together give a palindrome (44444).

The spelling of 4438361 in words is "four million, four hundred thirty-eight thousand, three hundred sixty-one".