3664529 has 4 divisors (see below), whose sum is σ = 3997680. Its totient is φ = 3331380.

The previous prime is 3664519. The next prime is 3664547. The reversal of 3664529 is 9254663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9254663 = 11 ⋅841333.

It is a cyclic number.

It is not a de Polignac number, because 3664529 - 2⁸ = 3664273 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 6² + 6² + 4¹⁰ + 5⁹ + 2¹⁷ + 9⁶ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3664519) 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 3 ways as a sum of consecutive naturals, for example, 166559 + ... + 166580.

It is an arithmetic number, because the mean of its divisors is an integer number (999420).

Almost surely, 2^3664529 is an apocalyptic number.

It is an amenable number.

3664529 is a deficient number, since it is larger than the sum of its proper divisors (333151).

3664529 is a wasteful number, since it uses less digits than its factorization.

3664529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333150.

The product of its digits is 38880, while the sum is 35.

The square root of 3664529 is about 1914.2959541304. The cubic root of 3664529 is about 154.1721945262.

The spelling of 3664529 in words is "three million, six hundred sixty-four thousand, five hundred twenty-nine".