3661056 has 108 divisors (see below), whose sum is σ = 12116832. Its totient is φ = 1041408.

The previous prime is 3661043. The next prime is 3661093. The reversal of 3661056 is 6501663.

3661056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 16015 + ... + 16241.

Almost surely, 2^3661056 is an apocalyptic number.

3661056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3661056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6058416).

3661056 is an abundant number, since it is smaller than the sum of its proper divisors (8455776).

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

3661056 is a wasteful number, since it uses less digits than its factorization.

3661056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3661056 is about 1913.3886170875. The cubic root of 3661056 is about 154.1234743704.

The spelling of 3661056 in words is "three million, six hundred sixty-one thousand, fifty-six".