3946825 has 12 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 3089360.

The previous prime is 3946801. The next prime is 3946829. The reversal of 3946825 is 5286493.

3946825 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 3946825 - 2⁵ = 3946793 is a prime.

3946825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3946829) 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 11 ways as a sum of consecutive naturals, for example, 505 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (416640).

Almost surely, 2^3946825 is an apocalyptic number.

It is an amenable number.

3946825 is a deficient number, since it is larger than the sum of its proper divisors (1052855).

3946825 is a wasteful number, since it uses less digits than its factorization.

3946825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416 (or 3411 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 3946825 is about 1986.6617729246. The cubic root of 3946825 is about 158.0335478622.

It can be divided in two parts, 39468 and 25, that added together give a palindrome (39493).

The spelling of 3946825 in words is "three million, nine hundred forty-six thousand, eight hundred twenty-five".