3965656 has 8 divisors (see below), whose sum is σ = 7435620. Its totient is φ = 1982824.

The previous prime is 3965653. The next prime is 3965659. The reversal of 3965656 is 6565693.

It is an interprime number because it is at equal distance from previous prime (3965653) and next prime (3965659).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247846 + ... + 247861.

Almost surely, 2^3965656 is an apocalyptic number.

It is an amenable number.

3965656 is a deficient number, since it is larger than the sum of its proper divisors (3469964).

3965656 is a wasteful number, since it uses less digits than its factorization.

3965656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495713 (or 495709 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The square root of 3965656 is about 1991.3954906045. The cubic root of 3965656 is about 158.2844845307.

The spelling of 3965656 in words is "three million, nine hundred sixty-five thousand, six hundred fifty-six".