3942825 has 12 divisors (see below), whose sum is σ = 6518928. Its totient is φ = 2102800.

The previous prime is 3942781. The next prime is 3942839. The reversal of 3942825 is 5282493.

It is a happy number.

3942825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3942825 - 2⁸ = 3942569 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 26211 + ... + 26360.

It is an arithmetic number, because the mean of its divisors is an integer number (543244).

Almost surely, 2^3942825 is an apocalyptic number.

It is an amenable number.

3942825 is a deficient number, since it is larger than the sum of its proper divisors (2576103).

3942825 is a wasteful number, since it uses less digits than its factorization.

3942825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52584 (or 52579 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 3942825 is about 1985.6548038368. The cubic root of 3942825 is about 157.9801422461.

The spelling of 3942825 in words is "three million, nine hundred forty-two thousand, eight hundred twenty-five".