394488301 has 2 divisors, whose sum is σ = 394488302. Its totient is φ = 394488300.

The previous prime is 394488287. The next prime is 394488307. The reversal of 394488301 is 103884493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233172900 + 161315401 = 15270^2 + 12701^2 .

It is a cyclic number.

It is not a de Polignac number, because 394488301 - 2⁷ = 394488173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394488307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197244150 + 197244151.

It is an arithmetic number, because the mean of its divisors is an integer number (197244151).

Almost surely, 2^394488301 is an apocalyptic number.

It is an amenable number.

394488301 is a deficient number, since it is larger than the sum of its proper divisors (1).

394488301 is an equidigital number, since it uses as much as digits as its factorization.

394488301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 394488301 is about 19861.7295571156. The cubic root of 394488301 is about 733.4064235460.

The spelling of 394488301 in words is "three hundred ninety-four million, four hundred eighty-eight thousand, three hundred one".