3696009 has 4 divisors (see below), whose sum is σ = 4928016. Its totient is φ = 2464004.

The previous prime is 3696001. The next prime is 3696019. The reversal of 3696009 is 9006963.

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 a cyclic number.

It is not a de Polignac number, because 3696009 - 2³ = 3696001 is a prime.

It is an Ulam number.

It is a D-number.

3696009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3696001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615999 + ... + 616004.

It is an arithmetic number, because the mean of its divisors is an integer number (1232004).

Almost surely, 2^3696009 is an apocalyptic number.

It is an amenable number.

3696009 is a deficient number, since it is larger than the sum of its proper divisors (1232007).

3696009 is a wasteful number, since it uses less digits than its factorization.

3696009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232006.

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

The square root of 3696009 is about 1922.5007152144. The cubic root of 3696009 is about 154.6124065472.

The spelling of 3696009 in words is "three million, six hundred ninety-six thousand, nine".