394696163 has 2 divisors, whose sum is σ = 394696164. Its totient is φ = 394696162.

The previous prime is 394696151. The next prime is 394696189. The reversal of 394696163 is 361696493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 394696163 - 2⁴ = 394696147 is a prime.

It is a super-2 number, since 2×394696163² = 311570122173845138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (394696193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197348081 + 197348082.

It is an arithmetic number, because the mean of its divisors is an integer number (197348082).

Almost surely, 2^394696163 is an apocalyptic number.

394696163 is a deficient number, since it is larger than the sum of its proper divisors (1).

394696163 is an equidigital number, since it uses as much as digits as its factorization.

394696163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 47.

The square root of 394696163 is about 19866.9615945670. The cubic root of 394696163 is about 733.5352153318.

The spelling of 394696163 in words is "three hundred ninety-four million, six hundred ninety-six thousand, one hundred sixty-three".