3685648 has 10 divisors (see below), whose sum is σ = 7140974. Its totient is φ = 1842816.

The previous prime is 3685631. The next prime is 3685657. The reversal of 3685648 is 8465863.

It can be written as a sum of positive squares in only one way, i.e., 3564544 + 121104 = 1888^2 + 348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3685648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115161 + ... + 115192.

Almost surely, 2^3685648 is an apocalyptic number.

It is an amenable number.

3685648 is a deficient number, since it is larger than the sum of its proper divisors (3455326).

3685648 is a wasteful number, since it uses less digits than its factorization.

3685648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230361 (or 230355 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 3685648 is about 1919.8041566785. The cubic root of 3685648 is about 154.4677966556.

The spelling of 3685648 in words is "three million, six hundred eighty-five thousand, six hundred forty-eight".