3963145 has 4 divisors (see below), whose sum is σ = 4755780. Its totient is φ = 3170512.

The previous prime is 3963121. The next prime is 3963161. The reversal of 3963145 is 5413693.

3963145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3087049 + 876096 = 1757^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 3963145 - 2⁷ = 3963017 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 396310 + ... + 396319.

It is an arithmetic number, because the mean of its divisors is an integer number (1188945).

Almost surely, 2^3963145 is an apocalyptic number.

It is an amenable number.

3963145 is a deficient number, since it is larger than the sum of its proper divisors (792635).

3963145 is an equidigital number, since it uses as much as digits as its factorization.

3963145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792634.

The product of its digits is 9720, while the sum is 31.

The square root of 3963145 is about 1990.7649283630. The cubic root of 3963145 is about 158.2510696087.

The spelling of 3963145 in words is "three million, nine hundred sixty-three thousand, one hundred forty-five".