3635728 has 10 divisors (see below), whose sum is σ = 7044254. Its totient is φ = 1817856.

The previous prime is 3635719. The next prime is 3635729. The reversal of 3635728 is 8275363.

3635728 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 1468944 = 1472^2 + 1212^2 .

It is a d-powerful number, because it can be written as 3 + 6⁸ + 3⁴ + 5⁹ + 7³ + 2¹¹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 3635693 and 3635702.

It is not an unprimeable number, because it can be changed into a prime (3635729) 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, 113601 + ... + 113632.

Almost surely, 2^3635728 is an apocalyptic number.

It is an amenable number.

3635728 is a deficient number, since it is larger than the sum of its proper divisors (3408526).

3635728 is a wasteful number, since it uses less digits than its factorization.

3635728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227241 (or 227235 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 3635728 is about 1906.7585059467. The cubic root of 3635728 is about 153.7672314175.

The spelling of 3635728 in words is "three million, six hundred thirty-five thousand, seven hundred twenty-eight".