4086925 has 6 divisors (see below), whose sum is σ = 5067818. Its totient is φ = 3269520.

The previous prime is 4086923. The next prime is 4086949. The reversal of 4086925 is 5296804.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 110889 + 3976036 = 333^2 + 1994^2 .

It is not a de Polignac number, because 4086925 - 2¹ = 4086923 is a prime.

It is a Duffinian number.

4086925 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4086923) 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 5 ways as a sum of consecutive naturals, for example, 81714 + ... + 81763.

Almost surely, 2^4086925 is an apocalyptic number.

It is an amenable number.

4086925 is a deficient number, since it is larger than the sum of its proper divisors (980893).

4086925 is a wasteful number, since it uses less digits than its factorization.

4086925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163487 (or 163482 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4086925 is about 2021.6144538462. The cubic root of 4086925 is about 159.8817485628.

The spelling of 4086925 in words is "four million, eighty-six thousand, nine hundred twenty-five".