3393997 has 2 divisors, whose sum is σ = 3393998. Its totient is φ = 3393996.

The previous prime is 3393967. The next prime is 3394031. The reversal of 3393997 is 7993933.

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., 3218436 + 175561 = 1794^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 3393997 - 2¹⁵ = 3361229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3393967) 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, 1696998 + 1696999.

It is an arithmetic number, because the mean of its divisors is an integer number (1696999).

Almost surely, 2^3393997 is an apocalyptic number.

It is an amenable number.

3393997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3393997 is an equidigital number, since it uses as much as digits as its factorization.

3393997 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 3393997 is about 1842.2803803982. The cubic root of 3393997 is about 150.2809106367.

The spelling of 3393997 in words is "three million, three hundred ninety-three thousand, nine hundred ninety-seven".