394486283 has 2 divisors, whose sum is σ = 394486284. Its totient is φ = 394486282.

The previous prime is 394486259. The next prime is 394486321. The reversal of 394486283 is 382684493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 394486283 - 2⁶ = 394486219 is a prime.

It is not a weakly prime, because it can be changed into another prime (394486483) 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, 197243141 + 197243142.

It is an arithmetic number, because the mean of its divisors is an integer number (197243142).

Almost surely, 2^394486283 is an apocalyptic number.

394486283 is a deficient number, since it is larger than the sum of its proper divisors (1).

394486283 is an equidigital number, since it uses as much as digits as its factorization.

394486283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 47.

The square root of 394486283 is about 19861.6787558353. The cubic root of 394486283 is about 733.4051729667.

The spelling of 394486283 in words is "three hundred ninety-four million, four hundred eighty-six thousand, two hundred eighty-three".