3200689 has 2 divisors, whose sum is σ = 3200690. Its totient is φ = 3200688.

The previous prime is 3200677. The next prime is 3200737. The reversal of 3200689 is 9860023.

3200689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3122289 + 78400 = 1767^2 + 280^2 .

It is an emirp because it is prime and its reverse (9860023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3200689 - 2⁹ = 3200177 is a prime.

3200689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3200629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600344 + 1600345.

It is an arithmetic number, because the mean of its divisors is an integer number (1600345).

Almost surely, 2^3200689 is an apocalyptic number.

It is an amenable number.

3200689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200689 is an equidigital number, since it uses as much as digits as its factorization.

3200689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3200689 is about 1789.0469529892. The cubic root of 3200689 is about 147.3718354271.

The spelling of 3200689 in words is "three million, two hundred thousand, six hundred eighty-nine".