3609385 has 8 divisors (see below), whose sum is σ = 4664520. Its totient is φ = 2665344.

The previous prime is 3609383. The next prime is 3609391. The reversal of 3609385 is 5839063.

3609385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 3426201 = 428^2 + 1851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3609385 - 2¹ = 3609383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3609385.

It is not an unprimeable number, because it can be changed into a prime (3609383) 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 in 7 ways as a sum of consecutive naturals, for example, 27700 + ... + 27829.

It is an arithmetic number, because the mean of its divisors is an integer number (583065).

Almost surely, 2^3609385 is an apocalyptic number.

It is an amenable number.

3609385 is a deficient number, since it is larger than the sum of its proper divisors (1055135).

3609385 is a wasteful number, since it uses less digits than its factorization.

3609385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55547.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3609385 is about 1899.8381510013. The cubic root of 3609385 is about 153.3949526547.

The spelling of 3609385 in words is "three million, six hundred nine thousand, three hundred eighty-five".