396215 has 8 divisors (see below), whose sum is σ = 480480. Its totient is φ = 313632.

The previous prime is 396203. The next prime is 396217. The reversal of 396215 is 512693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396215 - 2⁴ = 396199 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396217) 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 7 ways as a sum of consecutive naturals, for example, 182 + ... + 908.

It is an arithmetic number, because the mean of its divisors is an integer number (60060).

2³⁹⁶²¹⁵ is an apocalyptic number.

396215 is a deficient number, since it is larger than the sum of its proper divisors (84265).

396215 is a wasteful number, since it uses less digits than its factorization.

396215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its digits is 1620, while the sum is 26.

The square root of 396215 is about 629.4561144353. The cubic root of 396215 is about 73.4474920763.

The spelling of 396215 in words is "three hundred ninety-six thousand, two hundred fifteen".