396587 has 4 divisors (see below), whose sum is σ = 417480. Its totient is φ = 375696.

The previous prime is 396581. The next prime is 396601. The reversal of 396587 is 785693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396587 - 2⁶ = 396523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396587.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396587.

It is not an unprimeable number, because it can be changed into a prime (396581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10418 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (104370).

2³⁹⁶⁵⁸⁷ is an apocalyptic number.

396587 is a deficient number, since it is larger than the sum of its proper divisors (20893).

396587 is a wasteful number, since it uses less digits than its factorization.

396587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20892.

The product of its digits is 45360, while the sum is 38.

The square root of 396587 is about 629.7515383070. The cubic root of 396587 is about 73.4704711160.

The spelling of 396587 in words is "three hundred ninety-six thousand, five hundred eighty-seven".