394647 has 8 divisors (see below), whose sum is σ = 574080. Its totient is φ = 239160.

The previous prime is 394643. The next prime is 394673. The reversal of 394647 is 746493.

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

It is not a de Polignac number, because 394647 - 2² = 394643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 11959 = 394647 / (3 + 9 + 4 + 6 + 4 + 7).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394647.

It is not an unprimeable number, because it can be changed into a prime (394643) 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, 5947 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (71760).

2³⁹⁴⁶⁴⁷ is an apocalyptic number.

394647 is a deficient number, since it is larger than the sum of its proper divisors (179433).

394647 is a wasteful number, since it uses less digits than its factorization.

394647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11973.

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

The square root of 394647 is about 628.2093600067. The cubic root of 394647 is about 73.3504757904.

It can be divided in two parts, 3946 and 47, that added together give a palindrome (3993).

The spelling of 394647 in words is "three hundred ninety-four thousand, six hundred forty-seven".