395800369 has 2 divisors, whose sum is σ = 395800370. Its totient is φ = 395800368.

The previous prime is 395800351. The next prime is 395800397. The reversal of 395800369 is 963008593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387893025 + 7907344 = 19695^2 + 2812^2 .

It is a cyclic number.

It is not a de Polignac number, because 395800369 - 2⁹ = 395799857 is a prime.

It is a super-2 number, since 2×395800369² = 313315864201072322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395804369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197900184 + 197900185.

It is an arithmetic number, because the mean of its divisors is an integer number (197900185).

Almost surely, 2^395800369 is an apocalyptic number.

It is an amenable number.

395800369 is a deficient number, since it is larger than the sum of its proper divisors (1).

395800369 is an equidigital number, since it uses as much as digits as its factorization.

395800369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 395800369 is about 19894.7321922161. The cubic root of 395800369 is about 734.2186269473.

The spelling of 395800369 in words is "three hundred ninety-five million, eight hundred thousand, three hundred sixty-nine".