396209 has 8 divisors (see below), whose sum is σ = 436800. Its totient is φ = 356400.

The previous prime is 396203. The next prime is 396217. The reversal of 396209 is 902693.

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

It is not a de Polignac number, because 396209 - 2⁸ = 395953 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396209.

It is not an unprimeable number, because it can be changed into a prime (396203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2³⁹⁶²⁰⁹ is an apocalyptic number.

It is an amenable number.

396209 is a deficient number, since it is larger than the sum of its proper divisors (40591).

396209 is a wasteful number, since it uses less digits than its factorization.

396209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 396209 is about 629.4513483980. The cubic root of 396209 is about 73.4471213288.

The spelling of 396209 in words is "three hundred ninety-six thousand, two hundred nine".