3965456 has 20 divisors (see below), whose sum is σ = 8381904. Its totient is φ = 1802400.

The previous prime is 3965447. The next prime is 3965461. The reversal of 3965456 is 6545693.

It is a d-powerful number, because it can be written as 3¹⁰ + 9² + 6 + 5⁹ + 4³ + 5⁹ + 6 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11090 + ... + 11441.

Almost surely, 2^3965456 is an apocalyptic number.

It is an amenable number.

3965456 is an abundant number, since it is smaller than the sum of its proper divisors (4416448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3965456 is a wasteful number, since it uses less digits than its factorization.

3965456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22550 (or 22544 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 3965456 is about 1991.3452739292. The cubic root of 3965456 is about 158.2818235645.

The spelling of 3965456 in words is "three million, nine hundred sixty-five thousand, four hundred fifty-six".