393104 has 20 divisors (see below), whose sum is σ = 773760. Its totient is φ = 193440.

The previous prime is 393103. The next prime is 393109. The reversal of 393104 is 401393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393103) 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, 1109 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (38688).

2³⁹³¹⁰⁴ is an apocalyptic number.

It is an amenable number.

393104 is a deficient number, since it is larger than the sum of its proper divisors (380656).

393104 is a wasteful number, since it uses less digits than its factorization.

393104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

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

The square root of 393104 is about 626.9800634789. The cubic root of 393104 is about 73.2547551340.

Adding to 393104 its reverse (401393), we get a palindrome (794497).

The spelling of 393104 in words is "three hundred ninety-three thousand, one hundred four".