3681594 has 48 divisors (see below), whose sum is σ = 9285120. Its totient is φ = 1032480.

The previous prime is 3681593. The next prime is 3681599. The reversal of 3681594 is 4951863.

3681594 is a `hidden beast` number, since 3 + 68 + 1 + 594 = 666.

3681594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3 + 6⁴ + 8⁷ + 1 + 5⁵ + 9⁶ + 4¹⁰ .

It is not an unprimeable number, because it can be changed into a prime (3681593) 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 23 ways as a sum of consecutive naturals, for example, 7447 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (193440).

Almost surely, 2^3681594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3681594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4642560).

3681594 is an abundant number, since it is smaller than the sum of its proper divisors (5603526).

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

3681594 is a wasteful number, since it uses less digits than its factorization.

3681594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3681594 is about 1918.7480293149. The cubic root of 3681594 is about 154.4111406585.

The spelling of 3681594 in words is "three million, six hundred eighty-one thousand, five hundred ninety-four".