3681103 has 4 divisors (see below), whose sum is σ = 3770928. Its totient is φ = 3591280.

The previous prime is 3681059. The next prime is 3681113. The reversal of 3681103 is 3011863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011863 = 797 ⋅3779.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3681103 is a prime.

It is a Duffinian number.

3681103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44851 + ... + 44932.

It is an arithmetic number, because the mean of its divisors is an integer number (942732).

Almost surely, 2^3681103 is an apocalyptic number.

3681103 is a deficient number, since it is larger than the sum of its proper divisors (89825).

3681103 is an equidigital number, since it uses as much as digits as its factorization.

3681103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89824.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3681103 is about 1918.6200770345. The cubic root of 3681103 is about 154.4042759472.

Adding to 3681103 its reverse (3011863), we get a palindrome (6692966).

The spelling of 3681103 in words is "three million, six hundred eighty-one thousand, one hundred three".