395942856 has 16 divisors (see below), whose sum is σ = 989857200. Its totient is φ = 131980944.

The previous prime is 395942821. The next prime is 395942873. The reversal of 395942856 is 658249593.

It is a junction number, because it is equal to n+sod(n) for n = 395942799 and 395942808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8248786 + ... + 8248833.

It is an arithmetic number, because the mean of its divisors is an integer number (61866075).

Almost surely, 2^395942856 is an apocalyptic number.

It is an amenable number.

395942856 is an abundant number, since it is smaller than the sum of its proper divisors (593914344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395942856 is a wasteful number, since it uses less digits than its factorization.

395942856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497628 (or 16497624 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 395942856 is about 19898.3128933083. The cubic root of 395942856 is about 734.3067219116.

It can be divided in two parts, 395 and 942856, that added together give a triangular number (943251 = T₁₃₇₃).

The spelling of 395942856 in words is "three hundred ninety-five million, nine hundred forty-two thousand, eight hundred fifty-six".