395709361 has 2 divisors, whose sum is σ = 395709362. Its totient is φ = 395709360.

The previous prime is 395709337. The next prime is 395709367. The reversal of 395709361 is 163907593.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384944400 + 10764961 = 19620^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 395709361 - 2⁵ = 395709329 is a prime.

It is not a weakly prime, because it can be changed into another prime (395709367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197854680 + 197854681.

It is an arithmetic number, because the mean of its divisors is an integer number (197854681).

Almost surely, 2^395709361 is an apocalyptic number.

It is an amenable number.

395709361 is a deficient number, since it is larger than the sum of its proper divisors (1).

395709361 is an equidigital number, since it uses as much as digits as its factorization.

395709361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 395709361 is about 19892.4448220926. Note that the first 3 decimals coincide. The cubic root of 395709361 is about 734.1623486683.

The spelling of 395709361 in words is "three hundred ninety-five million, seven hundred nine thousand, three hundred sixty-one".