396539 has 16 divisors (see below), whose sum is σ = 483840. Its totient is φ = 320160.

The previous prime is 396533. The next prime is 396541. The reversal of 396539 is 935693.

It is a cyclic number.

It is not a de Polignac number, because 396539 - 2⁴ = 396523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396499 and 396508.

It is not an unprimeable number, because it can be changed into a prime (396533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6692 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2³⁹⁶⁵³⁹ is an apocalyptic number.

396539 is a deficient number, since it is larger than the sum of its proper divisors (87301).

396539 is a wasteful number, since it uses less digits than its factorization.

396539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130.

The product of its digits is 21870, while the sum is 35.

The square root of 396539 is about 629.7134268856. The cubic root of 396539 is about 73.4675068863.

It can be divided in two parts, 3965 and 39, that added together give a palindrome (4004).

The spelling of 396539 in words is "three hundred ninety-six thousand, five hundred thirty-nine".