3688329 has 4 divisors (see below), whose sum is σ = 4917776. Its totient is φ = 2458884.

The previous prime is 3688313. The next prime is 3688331. The reversal of 3688329 is 9238863.

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 not a de Polignac number, because 3688329 - 2⁴ = 3688313 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3688309) 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, 614719 + ... + 614724.

It is an arithmetic number, because the mean of its divisors is an integer number (1229444).

Almost surely, 2^3688329 is an apocalyptic number.

It is an amenable number.

3688329 is a deficient number, since it is larger than the sum of its proper divisors (1229447).

3688329 is a wasteful number, since it uses less digits than its factorization.

3688329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229446.

The product of its digits is 62208, while the sum is 39.

The square root of 3688329 is about 1920.5022780512. The cubic root of 3688329 is about 154.5052417027.

The spelling of 3688329 in words is "three million, six hundred eighty-eight thousand, three hundred twenty-nine".