3681088 has 28 divisors (see below), whose sum is σ = 7383780. Its totient is φ = 1820672.

The previous prime is 3681059. The next prime is 3681113. The reversal of 3681088 is 8801863.

It can be written as a sum of positive squares in 2 ways, for example, as 1272384 + 2408704 = 1128^2 + 1552^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6978 + ... + 7486.

Almost surely, 2^3681088 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 3681088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3691890).

3681088 is an abundant number, since it is smaller than the sum of its proper divisors (3702692).

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

3681088 is a wasteful number, since it uses less digits than its factorization.

3681088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 3681088 is about 1918.6161679711. The cubic root of 3681088 is about 154.4040662213.

The spelling of 3681088 in words is "three million, six hundred eighty-one thousand, eighty-eight".