3397993 has 2 divisors, whose sum is σ = 3397994. Its totient is φ = 3397992.

The previous prime is 3397991. The next prime is 3398029. The reversal of 3397993 is 3997933.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2832489 + 565504 = 1683^2 + 752^2 .

It is an emirp because it is prime and its reverse (3997933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3397993 - 2¹ = 3397991 is a prime.

Together with 3397991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3397991) 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, 1698996 + 1698997.

It is an arithmetic number, because the mean of its divisors is an integer number (1698997).

Almost surely, 2^3397993 is an apocalyptic number.

It is an amenable number.

3397993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3397993 is an equidigital number, since it uses as much as digits as its factorization.

3397993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137781, while the sum is 43.

The square root of 3397993 is about 1843.3645868357. The cubic root of 3397993 is about 150.3398663943.

The spelling of 3397993 in words is "three million, three hundred ninety-seven thousand, nine hundred ninety-three".