3965393 has 2 divisors, whose sum is σ = 3965394. Its totient is φ = 3965392.

The previous prime is 3965383. The next prime is 3965419. The reversal of 3965393 is 3935693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2096704 + 1868689 = 1448^2 + 1367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3965393 is a prime.

It is not a weakly prime, because it can be changed into another prime (3965383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982696 + 1982697.

It is an arithmetic number, because the mean of its divisors is an integer number (1982697).

Almost surely, 2^3965393 is an apocalyptic number.

It is an amenable number.

3965393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965393 is an equidigital number, since it uses as much as digits as its factorization.

3965393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65610, while the sum is 38.

The square root of 3965393 is about 1991.3294554141. The cubic root of 3965393 is about 158.2809853416.

The spelling of 3965393 in words is "three million, nine hundred sixty-five thousand, three hundred ninety-three".