3825855 has 48 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 1809600.

The previous prime is 3825853. The next prime is 3825869. The reversal of 3825855 is 5585283.

It is not a de Polignac number, because 3825855 - 2¹ = 3825853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825851) 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 47 ways as a sum of consecutive naturals, for example, 29140 + ... + 29270.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

Almost surely, 2^3825855 is an apocalyptic number.

3825855 is a deficient number, since it is larger than the sum of its proper divisors (3587265).

3825855 is a wasteful number, since it uses less digits than its factorization.

3825855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 209 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 3825855 is about 1955.9792943689. The cubic root of 3825855 is about 156.4021919792.

The spelling of 3825855 in words is "three million, eight hundred twenty-five thousand, eight hundred fifty-five".