394141163 has 4 divisors (see below), whose sum is σ = 424459728. Its totient is φ = 363822600.

The previous prime is 394141157. The next prime is 394141171. The reversal of 394141163 is 361141493.

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 394141163 - 2⁴ = 394141147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394141103) 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, 15159263 + ... + 15159288.

It is an arithmetic number, because the mean of its divisors is an integer number (106114932).

Almost surely, 2^394141163 is an apocalyptic number.

394141163 is a deficient number, since it is larger than the sum of its proper divisors (30318565).

394141163 is a wasteful number, since it uses less digits than its factorization.

394141163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30318564.

The product of its digits is 7776, while the sum is 32.

The square root of 394141163 is about 19852.9887674375. The cubic root of 394141163 is about 733.1912351166.

The spelling of 394141163 in words is "three hundred ninety-four million, one hundred forty-one thousand, one hundred sixty-three".