3694393 has 2 divisors, whose sum is σ = 3694394. Its totient is φ = 3694392.

The previous prime is 3694373. The next prime is 3694409. The reversal of 3694393 is 3934963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2534464 + 1159929 = 1592^2 + 1077^2 .

It is an emirp because it is prime and its reverse (3934963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3694393 - 2⁹ = 3693881 is a prime.

3694393 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3694373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847196 + 1847197.

It is an arithmetic number, because the mean of its divisors is an integer number (1847197).

Almost surely, 2^3694393 is an apocalyptic number.

It is an amenable number.

3694393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694393 is an equidigital number, since it uses as much as digits as its factorization.

3694393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 37.

The square root of 3694393 is about 1922.0803833347. The cubic root of 3694393 is about 154.5898696187.

The spelling of 3694393 in words is "three million, six hundred ninety-four thousand, three hundred ninety-three".