3609543 has 16 divisors (see below), whose sum is σ = 5690880. Its totient is φ = 1991136.

The previous prime is 3609533. The next prime is 3609581. The reversal of 3609543 is 3459063.

It is a happy number.

It is not a de Polignac number, because 3609543 - 2⁶ = 3609479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3609543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609503) 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 in 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (355680).

Almost surely, 2^3609543 is an apocalyptic number.

3609543 is a deficient number, since it is larger than the sum of its proper divisors (2081337).

3609543 is a wasteful number, since it uses less digits than its factorization.

3609543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3609543 is about 1899.8797330358. The cubic root of 3609543 is about 153.3971908984.

The spelling of 3609543 in words is "three million, six hundred nine thousand, five hundred forty-three".