394996001 has 2 divisors, whose sum is σ = 394996002. Its totient is φ = 394996000.

The previous prime is 394995977. The next prime is 394996013. The reversal of 394996001 is 100699493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249166225 + 145829776 = 15785^2 + 12076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394996001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394996001.

It is not a weakly prime, because it can be changed into another prime (394996031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197498000 + 197498001.

It is an arithmetic number, because the mean of its divisors is an integer number (197498001).

Almost surely, 2^394996001 is an apocalyptic number.

It is an amenable number.

394996001 is a deficient number, since it is larger than the sum of its proper divisors (1).

394996001 is an equidigital number, since it uses as much as digits as its factorization.

394996001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 394996001 is about 19874.5063083338. The cubic root of 394996001 is about 733.7209160317.

The spelling of 394996001 in words is "three hundred ninety-four million, nine hundred ninety-six thousand, one".