3685224 has 32 divisors (see below), whose sum is σ = 9313920. Its totient is φ = 1214976.

The previous prime is 3685219. The next prime is 3685247. The reversal of 3685224 is 4225863.

3685224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁹ + 6⁸ + 8 + 5⁹ + 2³ + 2¹⁵ + 4² .

It is a junction number, because it is equal to n+sod(n) for n = 3685191 and 3685200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 2^3685224 is an apocalyptic number.

It is an amenable number.

3685224 is an abundant number, since it is smaller than the sum of its proper divisors (5628696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685224 is a wasteful number, since it uses less digits than its factorization.

3685224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1685 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 3685224 is about 1919.6937255719. The cubic root of 3685224 is about 154.4618730607.

The spelling of 3685224 in words is "three million, six hundred eighty-five thousand, two hundred twenty-four".