4080205 has 16 divisors (see below), whose sum is σ = 5073840. Its totient is φ = 3148288.

The previous prime is 4080199. The next prime is 4080217. The reversal of 4080205 is 5020804.

It is a happy number.

4080205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 56169 + 4024036 = 237^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 4080205 - 2⁷ = 4080077 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23499 + ... + 23671.

It is an arithmetic number, because the mean of its divisors is an integer number (317115).

Almost surely, 2^4080205 is an apocalyptic number.

It is an amenable number.

4080205 is a deficient number, since it is larger than the sum of its proper divisors (993635).

4080205 is a wasteful number, since it uses less digits than its factorization.

4080205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4080205 is about 2019.9517320966. The cubic root of 4080205 is about 159.7940710090.

The spelling of 4080205 in words is "four million, eighty thousand, two hundred five".