394103 has 4 divisors (see below), whose sum is σ = 406848. Its totient is φ = 381360.

The previous prime is 394099. The next prime is 394123. The reversal of 394103 is 301493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 394103 - 2² = 394099 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 (394123) 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, 6326 + ... + 6387.

It is an arithmetic number, because the mean of its divisors is an integer number (101712).

2³⁹⁴¹⁰³ is an apocalyptic number.

394103 is a deficient number, since it is larger than the sum of its proper divisors (12745).

394103 is a wasteful number, since it uses less digits than its factorization.

394103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 394103 is about 627.7762340197. The cubic root of 394103 is about 73.3167570431.

Adding to 394103 its reverse (301493), we get a palindrome (695596).

The spelling of 394103 in words is "three hundred ninety-four thousand, one hundred three".