395859479 has 2 divisors, whose sum is σ = 395859480. Its totient is φ = 395859478.

The previous prime is 395859473. The next prime is 395859481. The reversal of 395859479 is 974958593.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395859479 is a prime.

It is a super-2 number, since 2×395859479² = 313409454228302882, which contains 22 as substring.

Together with 395859481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395859473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197929739 + 197929740.

It is an arithmetic number, because the mean of its divisors is an integer number (197929740).

Almost surely, 2^395859479 is an apocalyptic number.

395859479 is a deficient number, since it is larger than the sum of its proper divisors (1).

395859479 is an equidigital number, since it uses as much as digits as its factorization.

395859479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 59.

The square root of 395859479 is about 19896.2177058857. The cubic root of 395859479 is about 734.2551752565.

The spelling of 395859479 in words is "three hundred ninety-five million, eight hundred fifty-nine thousand, four hundred seventy-nine".