396187 has 4 divisors (see below), whose sum is σ = 432216. Its totient is φ = 360160.

The previous prime is 396181. The next prime is 396197. The reversal of 396187 is 781693.

396187 is nontrivially palindromic in base 15.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396181) 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, 17998 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (108054).

2³⁹⁶¹⁸⁷ is an apocalyptic number.

396187 is a deficient number, since it is larger than the sum of its proper divisors (36029).

396187 is a wasteful number, since it uses less digits than its factorization.

396187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36028.

The product of its digits is 9072, while the sum is 34.

The square root of 396187 is about 629.4338726189. The cubic root of 396187 is about 73.4457618893.

It can be divided in two parts, 39 and 6187, that added together give a palindrome (6226).

The spelling of 396187 in words is "three hundred ninety-six thousand, one hundred eighty-seven".