4086404 has 18 divisors (see below), whose sum is σ = 8319150. Its totient is φ = 1751232.

The previous prime is 4086403. The next prime is 4086413. The reversal of 4086404 is 4046804.

4086404 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 only one way, i.e., 4008004 + 78400 = 2002^2 + 280^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4086403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10229 + ... + 10620.

It is an arithmetic number, because the mean of its divisors is an integer number (462175).

Almost surely, 2^4086404 is an apocalyptic number.

It is an amenable number.

4086404 is an abundant number, since it is smaller than the sum of its proper divisors (4232746).

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

4086404 is a wasteful number, since it uses less digits than its factorization.

4086404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867 (or 20858 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4086404 is about 2021.4855923306. The cubic root of 4086404 is about 159.8749543813.

The spelling of 4086404 in words is "four million, eighty-six thousand, four hundred four".