3629609 has 2 divisors, whose sum is σ = 3629610. Its totient is φ = 3629608.

The previous prime is 3629597. The next prime is 3629623. The reversal of 3629609 is 9069263.

3629609 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., 3052009 + 577600 = 1747^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 3629609 - 2¹⁶ = 3564073 is a prime.

It is a super-2 number, since 2×3629609² = 26348122985762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3629629) 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, 1814804 + 1814805.

It is an arithmetic number, because the mean of its divisors is an integer number (1814805).

Almost surely, 2^3629609 is an apocalyptic number.

It is an amenable number.

3629609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3629609 is an equidigital number, since it uses as much as digits as its factorization.

3629609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3629609 is about 1905.1532746737. The cubic root of 3629609 is about 153.6809185768.

The spelling of 3629609 in words is "three million, six hundred twenty-nine thousand, six hundred nine".