3669009 has 4 divisors (see below), whose sum is σ = 4892016. Its totient is φ = 2446004.

The previous prime is 3669007. The next prime is 3669011. The reversal of 3669009 is 9009663.

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.

It is an interprime number because it is at equal distance from previous prime (3669007) and next prime (3669011).

It is a cyclic number.

It is not a de Polignac number, because 3669009 - 2¹ = 3669007 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3669007) 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, 611499 + ... + 611504.

It is an arithmetic number, because the mean of its divisors is an integer number (1223004).

Almost surely, 2^3669009 is an apocalyptic number.

It is an amenable number.

3669009 is a deficient number, since it is larger than the sum of its proper divisors (1223007).

3669009 is a wasteful number, since it uses less digits than its factorization.

3669009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223006.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 3669009 is about 1915.4657397093. The cubic root of 3669009 is about 154.2349956992.

The spelling of 3669009 in words is "three million, six hundred sixty-nine thousand, nine".