3985393 has 2 divisors, whose sum is σ = 3985394. Its totient is φ = 3985392.

The previous prime is 3985363. The next prime is 3985403. The reversal of 3985393 is 3935893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 1774224 = 1487^2 + 1332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3985393 is a prime.

3985393 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3985363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992696 + 1992697.

It is an arithmetic number, because the mean of its divisors is an integer number (1992697).

Almost surely, 2^3985393 is an apocalyptic number.

It is an amenable number.

3985393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985393 is an equidigital number, since it uses as much as digits as its factorization.

3985393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 3985393 is about 1996.3449100794. The cubic root of 3985393 is about 158.5466431206.

The spelling of 3985393 in words is "three million, nine hundred eighty-five thousand, three hundred ninety-three".