3855404 has 24 divisors (see below), whose sum is σ = 8117760. Its totient is φ = 1565136.

The previous prime is 3855367. The next prime is 3855409. The reversal of 3855404 is 4045583.

3855404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3855409) 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 7 ways as a sum of consecutive naturals, for example, 3092 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (338240).

Almost surely, 2^3855404 is an apocalyptic number.

It is an amenable number.

3855404 is an abundant number, since it is smaller than the sum of its proper divisors (4262356).

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

3855404 is a wasteful number, since it uses less digits than its factorization.

3855404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 3855404 is about 1963.5182708597. The cubic root of 3855404 is about 156.8038173269.

The spelling of 3855404 in words is "three million, eight hundred fifty-five thousand, four hundred four".