3546643 has 2 divisors, whose sum is σ = 3546644. Its totient is φ = 3546642.

The previous prime is 3546637. The next prime is 3546661. The reversal of 3546643 is 3466453.

3546643 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3546643 is a prime.

It is not a weakly prime, because it can be changed into another prime (3546143) 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, 1773321 + 1773322.

It is an arithmetic number, because the mean of its divisors is an integer number (1773322).

Almost surely, 2^3546643 is an apocalyptic number.

3546643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3546643 is an equidigital number, since it uses as much as digits as its factorization.

3546643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 3546643 is about 1883.2533021344. The cubic root of 3546643 is about 152.5009298519.

The spelling of 3546643 in words is "three million, five hundred forty-six thousand, six hundred forty-three".