394163 has 8 divisors (see below), whose sum is σ = 491520. Its totient is φ = 307080.

The previous prime is 394157. The next prime is 394169. The reversal of 394163 is 361493.

It is an interprime number because it is at equal distance from previous prime (394157) and next prime (394169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394163 - 2⁶ = 394099 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394163.

It is not an unprimeable number, because it can be changed into a prime (394169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483 + ... + 2636.

It is an arithmetic number, because the mean of its divisors is an integer number (61440).

2³⁹⁴¹⁶³ is an apocalyptic number.

394163 is a deficient number, since it is larger than the sum of its proper divisors (97357).

394163 is a wasteful number, since it uses less digits than its factorization.

394163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its digits is 1944, while the sum is 26.

The square root of 394163 is about 627.8240199292. The cubic root of 394163 is about 73.3204775444.

It can be divided in two parts, 3941 and 63, that added together give a palindrome (4004).

The spelling of 394163 in words is "three hundred ninety-four thousand, one hundred sixty-three".