3854478 has 64 divisors (see below), whose sum is σ = 8957952. Its totient is φ = 1098240.

The previous prime is 3854471. The next prime is 3854483. The reversal of 3854478 is 8744583.

3854478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854471) 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 31 ways as a sum of consecutive naturals, for example, 72700 + ... + 72752.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

Almost surely, 2^3854478 is an apocalyptic number.

3854478 is an abundant number, since it is smaller than the sum of its proper divisors (5103474).

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

3854478 is a wasteful number, since it uses less digits than its factorization.

3854478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129.

The product of its digits is 107520, while the sum is 39.

The square root of 3854478 is about 1963.2824554811. The cubic root of 3854478 is about 156.7912624851.

The spelling of 3854478 in words is "three million, eight hundred fifty-four thousand, four hundred seventy-eight".