394307063 has 2 divisors, whose sum is σ = 394307064. Its totient is φ = 394307062.

The previous prime is 394307047. The next prime is 394307083. The reversal of 394307063 is 360703493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 394307063 - 2⁴ = 394307047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394307003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197153531 + 197153532.

It is an arithmetic number, because the mean of its divisors is an integer number (197153532).

Almost surely, 2^394307063 is an apocalyptic number.

394307063 is a deficient number, since it is larger than the sum of its proper divisors (1).

394307063 is an equidigital number, since it uses as much as digits as its factorization.

394307063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 394307063 is about 19857.1665400681. The cubic root of 394307063 is about 733.2940911278.

The spelling of 394307063 in words is "three hundred ninety-four million, three hundred seven thousand, sixty-three".