396386 has 4 divisors (see below), whose sum is σ = 594582. Its totient is φ = 198192.

The previous prime is 396379. The next prime is 396413. The reversal of 396386 is 683693.

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

It can be written as a sum of positive squares in only one way, i.e., 383161 + 13225 = 619^2 + 115^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396386.

It is an unprimeable number.

396386 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 as a sum of consecutive naturals, namely, 99095 + ... + 99098.

2³⁹⁶³⁸⁶ is an apocalyptic number.

396386 is a deficient number, since it is larger than the sum of its proper divisors (198196).

396386 is a wasteful number, since it uses less digits than its factorization.

396386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198195.

The product of its digits is 23328, while the sum is 35.

The square root of 396386 is about 629.5919313333. The cubic root of 396386 is about 73.4580568074.

The spelling of 396386 in words is "three hundred ninety-six thousand, three hundred eighty-six".