4086225 has 72 divisors (see below), whose sum is σ = 8666112. Its totient is φ = 1814400.

The previous prime is 4086217. The next prime is 4086241. The reversal of 4086225 is 5226804.

It is not a de Polignac number, because 4086225 - 2³ = 4086217 is a prime.

It is an Ulam number.

It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 32112 + ... + 32238.

Almost surely, 2^4086225 is an apocalyptic number.

4086225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4086225 is an abundant number, since it is smaller than the sum of its proper divisors (4579887).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4086225 is a wasteful number, since it uses less digits than its factorization.

4086225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4086225 is about 2021.4413174762. The cubic root of 4086225 is about 159.8726199706.

The spelling of 4086225 in words is "four million, eighty-six thousand, two hundred twenty-five".