395830 has 16 divisors (see below), whose sum is σ = 743904. Its totient is φ = 151360.

The previous prime is 395803. The next prime is 395849. The reversal of 395830 is 38593.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (46494).

2³⁹⁵⁸³⁰ is an apocalyptic number.

395830 is a deficient number, since it is larger than the sum of its proper divisors (348074).

395830 is a wasteful number, since it uses less digits than its factorization.

395830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 395830 is about 629.1502205356. The cubic root of 395830 is about 73.4236948548.

It can be divided in two parts, 395 and 830, that added together give a triangular number (1225 = T₄₉).

The spelling of 395830 in words is "three hundred ninety-five thousand, eight hundred thirty".