3825906 has 32 divisors (see below), whose sum is σ = 8875008. Its totient is φ = 1076880.

The previous prime is 3825893. The next prime is 3825907. The reversal of 3825906 is 6095283.

It is a happy number.

3825906 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 (3825907) 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 15 ways as a sum of consecutive naturals, for example, 2341 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (277344).

Almost surely, 2^3825906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3825906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4437504).

3825906 is an abundant number, since it is smaller than the sum of its proper divisors (5049102).

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

3825906 is a wasteful number, since it uses less digits than its factorization.

3825906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3825906 is about 1955.9923312733. The cubic root of 3825906 is about 156.4028869416.

The spelling of 3825906 in words is "three million, eight hundred twenty-five thousand, nine hundred six".