394847 has 8 divisors (see below), whose sum is σ = 417792. Its totient is φ = 372600.

The previous prime is 394837. The next prime is 394861. The reversal of 394847 is 748493.

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 394847 - 2¹² = 390751 is a prime.

It is a Duffinian number.

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 394847.

It is not an unprimeable number, because it can be changed into a prime (394817) 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, 1322 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (52224).

2³⁹⁴⁸⁴⁷ is an apocalyptic number.

394847 is a deficient number, since it is larger than the sum of its proper divisors (22945).

394847 is a wasteful number, since it uses less digits than its factorization.

394847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 24192, while the sum is 35.

The square root of 394847 is about 628.3685224452. The cubic root of 394847 is about 73.3628645984.

The spelling of 394847 in words is "three hundred ninety-four thousand, eight hundred forty-seven".