395966273 has 2 divisors, whose sum is σ = 395966274. Its totient is φ = 395966272.

The previous prime is 395966239. The next prime is 395966281. The reversal of 395966273 is 372669593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354079489 + 41886784 = 18817^2 + 6472^2 .

It is a cyclic number.

It is not a de Polignac number, because 395966273 - 2²⁶ = 328857409 is a prime.

It is not a weakly prime, because it can be changed into another prime (395966173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197983136 + 197983137.

It is an arithmetic number, because the mean of its divisors is an integer number (197983137).

Almost surely, 2^395966273 is an apocalyptic number.

It is an amenable number.

395966273 is a deficient number, since it is larger than the sum of its proper divisors (1).

395966273 is an equidigital number, since it uses as much as digits as its factorization.

395966273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 50.

The square root of 395966273 is about 19898.9013013282. The cubic root of 395966273 is about 734.3211978402.

The spelling of 395966273 in words is "three hundred ninety-five million, nine hundred sixty-six thousand, two hundred seventy-three".