396568 has 16 divisors (see below), whose sum is σ = 783000. Its totient is φ = 187776.

The previous prime is 396563. The next prime is 396577. The reversal of 396568 is 865693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396563) by changing a digit.

396568 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 1153 + ... + 1456.

396568 is a Friedman number, since it can be written as 6^5*(9*6-3)-8, using all its digits and the basic arithmetic operations.

2³⁹⁶⁵⁶⁸ is an apocalyptic number.

396568 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

396568 is a deficient number, since it is larger than the sum of its proper divisors (386432).

396568 is a wasteful number, since it uses less digits than its factorization.

396568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2630 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 396568 is about 629.7364528118. The cubic root of 396568 is about 73.4692978037.

The spelling of 396568 in words is "three hundred ninety-six thousand, five hundred sixty-eight".