3388643 has 2 divisors, whose sum is σ = 3388644. Its totient is φ = 3388642.

The previous prime is 3388589. The next prime is 3388657. The reversal of 3388643 is 3468833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3388643 - 2⁸ = 3388387 is a prime.

It is a super-2 number, since 2×3388643² = 22965802762898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3388663) 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, 1694321 + 1694322.

It is an arithmetic number, because the mean of its divisors is an integer number (1694322).

Almost surely, 2^3388643 is an apocalyptic number.

3388643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3388643 is an equidigital number, since it uses as much as digits as its factorization.

3388643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 3388643 is about 1840.8267164511. The cubic root of 3388643 is about 150.2018467825.

The spelling of 3388643 in words is "three million, three hundred eighty-eight thousand, six hundred forty-three".