3688315 has 4 divisors (see below), whose sum is σ = 4425984. Its totient is φ = 2950648.

The previous prime is 3688313. The next prime is 3688331. The reversal of 3688315 is 5138863.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3688315 - 2¹ = 3688313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3688313) 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, 368827 + ... + 368836.

It is an arithmetic number, because the mean of its divisors is an integer number (1106496).

Almost surely, 2^3688315 is an apocalyptic number.

3688315 is a deficient number, since it is larger than the sum of its proper divisors (737669).

3688315 is an equidigital number, since it uses as much as digits as its factorization.

3688315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737668.

The product of its digits is 17280, while the sum is 34.

The square root of 3688315 is about 1920.4986331680. The cubic root of 3688315 is about 154.5050462144.

The spelling of 3688315 in words is "three million, six hundred eighty-eight thousand, three hundred fifteen".