395454673 has 2 divisors, whose sum is σ = 395454674. Its totient is φ = 395454672.

The previous prime is 395454671. The next prime is 395454691. The reversal of 395454673 is 376454593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364351744 + 31102929 = 19088^2 + 5577^2 .

It is a cyclic number.

It is not a de Polignac number, because 395454673 - 2¹ = 395454671 is a prime.

Together with 395454671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (395454671) 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, 197727336 + 197727337.

It is an arithmetic number, because the mean of its divisors is an integer number (197727337).

Almost surely, 2^395454673 is an apocalyptic number.

It is an amenable number.

395454673 is a deficient number, since it is larger than the sum of its proper divisors (1).

395454673 is an equidigital number, since it uses as much as digits as its factorization.

395454673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 46.

The square root of 395454673 is about 19886.0421652977. The cubic root of 395454673 is about 734.0048067209.

The spelling of 395454673 in words is "three hundred ninety-five million, four hundred fifty-four thousand, six hundred seventy-three".