3655696 has 20 divisors (see below), whose sum is σ = 7727184. Its totient is φ = 1661600.

The previous prime is 3655693. The next prime is 3655703. The reversal of 3655696 is 6965563.

It is a super-2 number, since 2×3655696² = 26728226488832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3655693) 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, 10210 + ... + 10561.

Almost surely, 2^3655696 is an apocalyptic number.

It is an amenable number.

3655696 is an abundant number, since it is smaller than the sum of its proper divisors (4071488).

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

3655696 is a wasteful number, since it uses less digits than its factorization.

3655696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790 (or 20784 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The square root of 3655696 is about 1911.9874476575. The cubic root of 3655696 is about 154.0482223752.

It can be divided in two parts, 36 and 55696, that multiplied together give a square (2005056 = 1416²).

The spelling of 3655696 in words is "three million, six hundred fifty-five thousand, six hundred ninety-six".