4087205 has 8 divisors (see below), whose sum is σ = 5037432. Its totient is φ = 3181248.

The previous prime is 4087199. The next prime is 4087207. The reversal of 4087205 is 5027804.

It can be written as a sum of positive squares in 4 ways, for example, as 2076481 + 2010724 = 1441^2 + 1418^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4087205 - 2⁴ = 4087189 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 (4087207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10862 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (629679).

Almost surely, 2^4087205 is an apocalyptic number.

It is an amenable number.

4087205 is a deficient number, since it is larger than the sum of its proper divisors (950227).

4087205 is a wasteful number, since it uses less digits than its factorization.

4087205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 4087205 is about 2021.6837042426. The cubic root of 4087205 is about 159.8853997078.

The spelling of 4087205 in words is "four million, eighty-seven thousand, two hundred five".