3565056 has 80 divisors (see below), whose sum is σ = 10410048. Its totient is φ = 1075200.

The previous prime is 3565049. The next prime is 3565097. The reversal of 3565056 is 6505653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16791 + ... + 17001.

Almost surely, 2^3565056 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 3565056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5205024).

3565056 is an abundant number, since it is smaller than the sum of its proper divisors (6844992).

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

3565056 is a wasteful number, since it uses less digits than its factorization.

3565056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 3565056 is about 1888.1355883516. The cubic root of 3565056 is about 152.7643859507.

The spelling of 3565056 in words is "three million, five hundred sixty-five thousand, fifty-six".