3825915 has 16 divisors (see below), whose sum is σ = 6271776. Its totient is φ = 1990400.

The previous prime is 3825907. The next prime is 3825919. The reversal of 3825915 is 5195283.

It is not a de Polignac number, because 3825915 - 2³ = 3825907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3825919) 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 15 ways as a sum of consecutive naturals, for example, 2496 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (391986).

Almost surely, 2^3825915 is an apocalyptic number.

3825915 is a deficient number, since it is larger than the sum of its proper divisors (2445861).

3825915 is a wasteful number, since it uses less digits than its factorization.

3825915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its digits is 10800, while the sum is 33.

The square root of 3825915 is about 1955.9946318945. The cubic root of 3825915 is about 156.4030095814.

The spelling of 3825915 in words is "three million, eight hundred twenty-five thousand, nine hundred fifteen".