395097673 has 2 divisors, whose sum is σ = 395097674. Its totient is φ = 395097672.

The previous prime is 395097649. The next prime is 395097683. The reversal of 395097673 is 376790593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371409984 + 23687689 = 19272^2 + 4867^2 .

It is a cyclic number.

It is not a de Polignac number, because 395097673 - 2⁹ = 395097161 is a prime.

It is a super-2 number, since 2×395097673² = 312204342420029858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395097613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197548836 + 197548837.

It is an arithmetic number, because the mean of its divisors is an integer number (197548837).

Almost surely, 2^395097673 is an apocalyptic number.

It is an amenable number.

395097673 is a deficient number, since it is larger than the sum of its proper divisors (1).

395097673 is an equidigital number, since it uses as much as digits as its factorization.

395097673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 49.

The square root of 395097673 is about 19877.0639934574. The cubic root of 395097673 is about 733.7838639038.

The spelling of 395097673 in words is "three hundred ninety-five million, ninety-seven thousand, six hundred seventy-three".