3103663 has 4 divisors (see below), whose sum is σ = 3115728. Its totient is φ = 3091600.

The previous prime is 3103649. The next prime is 3103679. The reversal of 3103663 is 3663013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3663013 = 1453 ⋅2521.

It is a cyclic number.

It is not a de Polignac number, because 3103663 - 2⁹ = 3103151 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103693) 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, 5638 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (778932).

Almost surely, 2^3103663 is an apocalyptic number.

3103663 is a deficient number, since it is larger than the sum of its proper divisors (12065).

3103663 is a wasteful number, since it uses less digits than its factorization.

3103663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3103663 is about 1761.7216011618. The cubic root of 3103663 is about 145.8673812928.

Adding to 3103663 its reverse (3663013), we get a palindrome (6766676).

The spelling of 3103663 in words is "three million, one hundred three thousand, six hundred sixty-three".