4380205 has 4 divisors (see below), whose sum is σ = 5256252. Its totient is φ = 3504160.

The previous prime is 4380199. The next prime is 4380209. The reversal of 4380205 is 5020834.

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 682276 + 3697929 = 826^2 + 1923^2 .

It is not a de Polignac number, because 4380205 - 2³ = 4380197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438016 + ... + 438025.

It is an arithmetic number, because the mean of its divisors is an integer number (1314063).

Almost surely, 2^4380205 is an apocalyptic number.

It is an amenable number.

4380205 is a deficient number, since it is larger than the sum of its proper divisors (876047).

4380205 is an equidigital number, since it uses as much as digits as its factorization.

4380205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876046.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4380205 is about 2092.8939294670. The cubic root of 4380205 is about 163.6181503765.

The spelling of 4380205 in words is "four million, three hundred eighty thousand, two hundred five".