3688245 has 24 divisors (see below), whose sum is σ = 6975072. Its totient is φ = 1788000.

The previous prime is 3688241. The next prime is 3688247. The reversal of 3688245 is 5428863.

3688245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3688245 - 2² = 3688241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3231 + ... + 4220.

It is an arithmetic number, because the mean of its divisors is an integer number (290628).

Almost surely, 2^3688245 is an apocalyptic number.

It is an amenable number.

3688245 is a deficient number, since it is larger than the sum of its proper divisors (3286827).

3688245 is a wasteful number, since it uses less digits than its factorization.

3688245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473 (or 7470 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 3688245 is about 1920.4804086478. The cubic root of 3688245 is about 154.5040687652.

The spelling of 3688245 in words is "three million, six hundred eighty-eight thousand, two hundred forty-five".