3855434 has 16 divisors (see below), whose sum is σ = 6527520. Its totient is φ = 1691760.

The previous prime is 3855431. The next prime is 3855469. The reversal of 3855434 is 4345583.

3855434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3855434.

It is not an unprimeable number, because it can be changed into a prime (3855431) 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, 2384 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (407970).

Almost surely, 2^3855434 is an apocalyptic number.

3855434 is a deficient number, since it is larger than the sum of its proper divisors (2672086).

3855434 is a wasteful number, since it uses less digits than its factorization.

3855434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085.

The product of its digits is 28800, while the sum is 32.

The square root of 3855434 is about 1963.5259101932. The cubic root of 3855434 is about 156.8042240376.

The spelling of 3855434 in words is "three million, eight hundred fifty-five thousand, four hundred thirty-four".