3656576 has 96 divisors (see below), whose sum is σ = 9418680. Its totient is φ = 1397760.

The previous prime is 3656573. The next prime is 3656593. The reversal of 3656576 is 6756563.

3656576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656573) 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 in 11 ways as a sum of consecutive naturals, for example, 68966 + ... + 69018.

Almost surely, 2^3656576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3656576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4709340).

3656576 is an abundant number, since it is smaller than the sum of its proper divisors (5762104).

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

3656576 is a wasteful number, since it uses less digits than its factorization.

3656576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 73 counting only the distinct ones).

The product of its digits is 113400, while the sum is 38.

The square root of 3656576 is about 1912.2175608440. The cubic root of 3656576 is about 154.0605822250.

The spelling of 3656576 in words is "three million, six hundred fifty-six thousand, five hundred seventy-six".