395485469 has 2 divisors, whose sum is σ = 395485470. Its totient is φ = 395485468.

The previous prime is 395485451. The next prime is 395485471. The reversal of 395485469 is 964584593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391525369 + 3960100 = 19787^2 + 1990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395485469 is a prime.

It is a super-2 number, since 2×395485469² = 312817512380299922, which contains 22 as substring.

Together with 395485471, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395485469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395485429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197742734 + 197742735.

It is an arithmetic number, because the mean of its divisors is an integer number (197742735).

Almost surely, 2^395485469 is an apocalyptic number.

It is an amenable number.

395485469 is a deficient number, since it is larger than the sum of its proper divisors (1).

395485469 is an equidigital number, since it uses as much as digits as its factorization.

395485469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 53.

The square root of 395485469 is about 19886.8164621691. The cubic root of 395485469 is about 734.0238597475.

The spelling of 395485469 in words is "three hundred ninety-five million, four hundred eighty-five thousand, four hundred sixty-nine".