3843906 has 32 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 1153680.

The previous prime is 3843883. The next prime is 3843913. The reversal of 3843906 is 6093483.

3843906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3843906² = 29551226673672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8965 + ... + 9383.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^3843906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3843906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).

3843906 is an abundant number, since it is smaller than the sum of its proper divisors (4623294).

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

3843906 is a wasteful number, since it uses less digits than its factorization.

3843906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3843906 is about 1960.5881770530. The cubic root of 3843906 is about 156.6477830466.

The spelling of 3843906 in words is "three million, eight hundred forty-three thousand, nine hundred six".