3858906 has 16 divisors (see below), whose sum is σ = 7897824. Its totient is φ = 1256304.

The previous prime is 3858901. The next prime is 3858923. The reversal of 3858906 is 6098583.

It is not an unprimeable number, because it can be changed into a prime (3858901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7221 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (493614).

Almost surely, 2^3858906 is an apocalyptic number.

3858906 is an abundant number, since it is smaller than the sum of its proper divisors (4038918).

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

3858906 is a wasteful number, since it uses less digits than its factorization.

3858906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 3858906 is about 1964.4098350395. The cubic root of 3858906 is about 156.8512797794.

The spelling of 3858906 in words is "three million, eight hundred fifty-eight thousand, nine hundred six".