396447 has 8 divisors (see below), whose sum is σ = 534144. Its totient is φ = 261528.

The previous prime is 396443. The next prime is 396449. The reversal of 396447 is 744693.

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

It is not a de Polignac number, because 396447 - 2² = 396443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396443) 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, 333 + ... + 950.

It is an arithmetic number, because the mean of its divisors is an integer number (66768).

2³⁹⁶⁴⁴⁷ is an apocalyptic number.

396447 is a deficient number, since it is larger than the sum of its proper divisors (137697).

396447 is a wasteful number, since it uses less digits than its factorization.

396447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389.

The product of its digits is 18144, while the sum is 33.

The square root of 396447 is about 629.6403735467. The cubic root of 396447 is about 73.4618247774.

The spelling of 396447 in words is "three hundred ninety-six thousand, four hundred forty-seven".