394104103 has 16 divisors (see below), whose sum is σ = 419990976. Its totient is φ = 369008640.

The previous prime is 394104091. The next prime is 394104133. The reversal of 394104103 is 301401493.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394104103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394104133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360025 + ... + 361117.

It is an arithmetic number, because the mean of its divisors is an integer number (26249436).

Almost surely, 2^394104103 is an apocalyptic number.

394104103 is a deficient number, since it is larger than the sum of its proper divisors (25886873).

394104103 is a wasteful number, since it uses less digits than its factorization.

394104103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 394104103 is about 19852.0553847706. The cubic root of 394104103 is about 733.1682544171.

Adding to 394104103 its reverse (301401493), we get a palindrome (695505596).

The spelling of 394104103 in words is "three hundred ninety-four million, one hundred four thousand, one hundred three".