394316011 has 2 divisors, whose sum is σ = 394316012. Its totient is φ = 394316010.

The previous prime is 394315981. The next prime is 394316023. The reversal of 394316011 is 110613493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394316011 - 2¹⁵ = 394283243 is a prime.

It is equal to p_21049246 and since 394316011 and 21049246 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (394316051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197158005 + 197158006.

It is an arithmetic number, because the mean of its divisors is an integer number (197158006).

Almost surely, 2^394316011 is an apocalyptic number.

394316011 is a deficient number, since it is larger than the sum of its proper divisors (1).

394316011 is an equidigital number, since it uses as much as digits as its factorization.

394316011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 394316011 is about 19857.3918478737. The cubic root of 394316011 is about 733.2996379605.

The spelling of 394316011 in words is "three hundred ninety-four million, three hundred sixteen thousand, eleven".