3956897 has 12 divisors (see below), whose sum is σ = 4804416. Its totient is φ = 3243240.

The previous prime is 3956881. The next prime is 3956917. The reversal of 3956897 is 7986593.

It is not a de Polignac number, because 3956897 - 2⁴ = 3956881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3956857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (400368).

Almost surely, 2^3956897 is an apocalyptic number.

It is an amenable number.

3956897 is a deficient number, since it is larger than the sum of its proper divisors (847519).

3956897 is a wasteful number, since it uses less digits than its factorization.

3956897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3541 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 3956897 is about 1989.1950633359. The cubic root of 3956897 is about 158.1678635744.

The spelling of 3956897 in words is "three million, nine hundred fifty-six thousand, eight hundred ninety-seven".