395767871 has 12 divisors (see below), whose sum is σ = 429377568. Its totient is φ = 364549632.

The previous prime is 395767849. The next prime is 395767913. The reversal of 395767871 is 178767593.

It is not a de Polignac number, because 395767871 - 2⁶ = 395767807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395767171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986 + ... + 28151.

It is an arithmetic number, because the mean of its divisors is an integer number (35781464).

Almost surely, 2^395767871 is an apocalyptic number.

395767871 is a deficient number, since it is larger than the sum of its proper divisors (33609697).

395767871 is a wasteful number, since it uses less digits than its factorization.

395767871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29218 (or 29201 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 53.

The square root of 395767871 is about 19893.9154265821. The cubic root of 395767871 is about 734.1985315559.

The spelling of 395767871 in words is "three hundred ninety-five million, seven hundred sixty-seven thousand, eight hundred seventy-one".