3728606 has 12 divisors (see below), whose sum is σ = 6506208. Its totient is φ = 1597932.

The previous prime is 3728597. The next prime is 3728611. The reversal of 3728606 is 6068273.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 18926 + ... + 19121.

It is an arithmetic number, because the mean of its divisors is an integer number (542184).

Almost surely, 2^3728606 is an apocalyptic number.

3728606 is a deficient number, since it is larger than the sum of its proper divisors (2777602).

3728606 is a wasteful number, since it uses less digits than its factorization.

3728606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38063 (or 38056 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 3728606 is about 1930.9598649376. The cubic root of 3728606 is about 155.0656121805.

It can be divided in two parts, 3728 and 606, that added together give a palindrome (4334).

The spelling of 3728606 in words is "three million, seven hundred twenty-eight thousand, six hundred six".