4438261 has 4 divisors (see below), whose sum is σ = 4558252. Its totient is φ = 4318272.

The previous prime is 4438237. The next prime is 4438271. The reversal of 4438261 is 1628344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4040100 + 398161 = 2010^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 4438261 - 2⁹ = 4437749 is a prime.

4438261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4438201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59940 + ... + 60013.

It is an arithmetic number, because the mean of its divisors is an integer number (1139563).

Almost surely, 2^4438261 is an apocalyptic number.

It is an amenable number.

4438261 is a deficient number, since it is larger than the sum of its proper divisors (119991).

4438261 is a wasteful number, since it uses less digits than its factorization.

4438261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119990.

The product of its digits is 4608, while the sum is 28.

The square root of 4438261 is about 2106.7180637190. The cubic root of 4438261 is about 164.3378544737.

The spelling of 4438261 in words is "four million, four hundred thirty-eight thousand, two hundred sixty-one".