3960305 has 4 divisors (see below), whose sum is σ = 4752372. Its totient is φ = 3168240.

The previous prime is 3960289. The next prime is 3960317. The reversal of 3960305 is 5030693.

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 2808976 + 1151329 = 1676^2 + 1073^2 .

It is not a de Polignac number, because 3960305 - 2⁴ = 3960289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396026 + ... + 396035.

It is an arithmetic number, because the mean of its divisors is an integer number (1188093).

Almost surely, 2^3960305 is an apocalyptic number.

It is an amenable number.

3960305 is a deficient number, since it is larger than the sum of its proper divisors (792067).

3960305 is an equidigital number, since it uses as much as digits as its factorization.

3960305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792066.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 3960305 is about 1990.0515068711. The cubic root of 3960305 is about 158.2132595332.

Adding to 3960305 its reverse (5030693), we get a palindrome (8990998).

The spelling of 3960305 in words is "three million, nine hundred sixty thousand, three hundred five".