3688156 has 6 divisors (see below), whose sum is σ = 6454280. Its totient is φ = 1844076.

The previous prime is 3688151. The next prime is 3688171. The reversal of 3688156 is 6518863.

3688156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688151) 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 as a sum of consecutive naturals, namely, 461016 + ... + 461023.

Almost surely, 2^3688156 is an apocalyptic number.

It is an amenable number.

3688156 is a deficient number, since it is larger than the sum of its proper divisors (2766124).

3688156 is a wasteful number, since it uses less digits than its factorization.

3688156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922043 (or 922041 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3688156 is about 1920.4572372224. The cubic root of 3688156 is about 154.5028259905.

It can be divided in two parts, 3688 and 156, that added together give a square (3844 = 62²).

The spelling of 3688156 in words is "three million, six hundred eighty-eight thousand, one hundred fifty-six".