4086625 has 8 divisors (see below), whose sum is σ = 5100264. Its totient is φ = 3269200.

The previous prime is 4086611. The next prime is 4086631. The reversal of 4086625 is 5266804.

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 3038049 = 1024^2 + 1743^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4086625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16222 + ... + 16471.

It is an arithmetic number, because the mean of its divisors is an integer number (637533).

Almost surely, 2^4086625 is an apocalyptic number.

It is an amenable number.

4086625 is a deficient number, since it is larger than the sum of its proper divisors (1013639).

4086625 is an equidigital number, since it uses as much as digits as its factorization.

4086625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32708 (or 32698 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4086625 is about 2021.5402543605. The cubic root of 4086625 is about 159.8778364366.

The spelling of 4086625 in words is "four million, eighty-six thousand, six hundred twenty-five".