395564 has 12 divisors (see below), whose sum is σ = 745584. Its totient is φ = 182544.

The previous prime is 395543. The next prime is 395581. The reversal of 395564 is 465593.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 395564.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752 + ... + 3855.

It is an arithmetic number, because the mean of its divisors is an integer number (62132).

2³⁹⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

395564 is a deficient number, since it is larger than the sum of its proper divisors (350020).

395564 is a wasteful number, since it uses less digits than its factorization.

395564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624 (or 7622 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 395564 is about 628.9387887545. The cubic root of 395564 is about 73.4072441231.

It can be divided in two parts, 395 and 564, that added together give a palindrome (959).

The spelling of 395564 in words is "three hundred ninety-five thousand, five hundred sixty-four".