395816 has 8 divisors (see below), whose sum is σ = 742170. Its totient is φ = 197904.

The previous prime is 395803. The next prime is 395849. The reversal of 395816 is 618593.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 23716 = 610^2 + 154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24731 + ... + 24746.

2³⁹⁵⁸¹⁶ is an apocalyptic number.

It is an amenable number.

395816 is a deficient number, since it is larger than the sum of its proper divisors (346354).

395816 is a wasteful number, since it uses less digits than its factorization.

395816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49483 (or 49479 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 395816 is about 629.1390943186. The cubic root of 395816 is about 73.4228292106.

The spelling of 395816 in words is "three hundred ninety-five thousand, eight hundred sixteen".