3693856 has 24 divisors (see below), whose sum is σ = 7359660. Its totient is φ = 1824768.

The previous prime is 3693853. The next prime is 3693863. The reversal of 3693856 is 6583963.

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 144400 = 1884^2 + 380^2 .

It is not an unprimeable number, because it can be changed into a prime (3693853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200 + ... + 3496.

Almost surely, 2^3693856 is an apocalyptic number.

It is an amenable number.

3693856 is a deficient number, since it is larger than the sum of its proper divisors (3665804).

3693856 is a wasteful number, since it uses less digits than its factorization.

3693856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396 (or 1388 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 3693856 is about 1921.9406858694. The cubic root of 3693856 is about 154.5823790979.

It can be divided in two parts, 369 and 3856, that added together give a square (4225 = 65²).

The spelling of 3693856 in words is "three million, six hundred ninety-three thousand, eight hundred fifty-six".