3956825 has 12 divisors (see below), whose sum is σ = 4941648. Its totient is φ = 3142800.

The previous prime is 3956803. The next prime is 3956831. The reversal of 3956825 is 5286593.

It is not a de Polignac number, because 3956825 - 2⁸ = 3956569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3590 + ... + 4560.

It is an arithmetic number, because the mean of its divisors is an integer number (411804).

Almost surely, 2^3956825 is an apocalyptic number.

It is an amenable number.

3956825 is a deficient number, since it is larger than the sum of its proper divisors (984823).

3956825 is a wasteful number, since it uses less digits than its factorization.

3956825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1139 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 3956825 is about 1989.1769654809. The cubic root of 3956825 is about 158.1669042237.

It can be divided in two parts, 39568 and 25, that added together give a palindrome (39593).

The spelling of 3956825 in words is "three million, nine hundred fifty-six thousand, eight hundred twenty-five".