3681348 has 36 divisors (see below), whose sum is σ = 9427152. Its totient is φ = 1108880.

The previous prime is 3681341. The next prime is 3681371. The reversal of 3681348 is 8431863.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3681341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21961 + ... + 22127.

Almost surely, 2^3681348 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 3681348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4713576).

3681348 is an abundant number, since it is smaller than the sum of its proper divisors (5745804).

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

3681348 is a wasteful number, since it uses less digits than its factorization.

3681348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 183 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 3681348 is about 1918.6839239437. The cubic root of 3681348 is about 154.4077013886.

Multiplying 3681348 by its sum of digits (33), we get a square (121484484 = 11022²).

3681348 divided by its sum of digits (33) gives a square (111556 = 334²).

The spelling of 3681348 in words is "three million, six hundred eighty-one thousand, three hundred forty-eight".