395638 has 8 divisors (see below), whose sum is σ = 596232. Its totient is φ = 196896.

The previous prime is 395627. The next prime is 395657. The reversal of 395638 is 836593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 381 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (74529).

2³⁹⁵⁶³⁸ is an apocalyptic number.

395638 is a deficient number, since it is larger than the sum of its proper divisors (200594).

395638 is a wasteful number, since it uses less digits than its factorization.

395638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its digits is 19440, while the sum is 34.

The square root of 395638 is about 628.9976152578. The cubic root of 395638 is about 73.4118213827.

The spelling of 395638 in words is "three hundred ninety-five thousand, six hundred thirty-eight".