395644 has 6 divisors (see below), whose sum is σ = 692384. Its totient is φ = 197820.

The previous prime is 395627. The next prime is 395657. The reversal of 395644 is 446593.

395644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49452 + ... + 49459.

2³⁹⁵⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

395644 is a deficient number, since it is larger than the sum of its proper divisors (296740).

395644 is a wasteful number, since it uses less digits than its factorization.

395644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98915 (or 98913 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 395644 is about 629.0023847332. The cubic root of 395644 is about 73.4121924869.

It can be divided in two parts, 39 and 5644, that multiplied together give a triangular number (220116 = T₆₆₃).

The spelling of 395644 in words is "three hundred ninety-five thousand, six hundred forty-four".