3965517 has 12 divisors (see below), whose sum is σ = 5940480. Its totient is φ = 2643516.

The previous prime is 3965483. The next prime is 3965537. The reversal of 3965517 is 7155693.

It is a happy number.

It is not a de Polignac number, because 3965517 - 2¹¹ = 3963469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965537) 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, 7917 + ... + 8402.

It is an arithmetic number, because the mean of its divisors is an integer number (495040).

Almost surely, 2^3965517 is an apocalyptic number.

It is an amenable number.

3965517 is a deficient number, since it is larger than the sum of its proper divisors (1974963).

3965517 is an equidigital number, since it uses as much as digits as its factorization.

3965517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334 (or 16322 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 3965517 is about 1991.3605901494. The cubic root of 3965517 is about 158.2826351687.

It can be divided in two parts, 39 and 65517, that added together give a palindrome (65556).

The spelling of 3965517 in words is "three million, nine hundred sixty-five thousand, five hundred seventeen".