394698847 has 2 divisors, whose sum is σ = 394698848. Its totient is φ = 394698846.

The previous prime is 394698833. The next prime is 394698859. The reversal of 394698847 is 748896493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394698847 - 2⁷ = 394698719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394698791 and 394698800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394698817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197349423 + 197349424.

It is an arithmetic number, because the mean of its divisors is an integer number (197349424).

Almost surely, 2^394698847 is an apocalyptic number.

394698847 is a deficient number, since it is larger than the sum of its proper divisors (1).

394698847 is an equidigital number, since it uses as much as digits as its factorization.

394698847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 58.

The square root of 394698847 is about 19867.0291437849. The cubic root of 394698847 is about 733.5368780487.

The spelling of 394698847 in words is "three hundred ninety-four million, six hundred ninety-eight thousand, eight hundred forty-seven".