6394047 has 16 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 3819200.

The previous prime is 6394043. The next prime is 6394093. The reversal of 6394047 is 7404936.

6394047 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6394047 - 2² = 6394043 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6393999 and 6394017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979 + ... + 3707.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^6394047 is an apocalyptic number.

6394047 is a deficient number, since it is larger than the sum of its proper divisors (3040833).

6394047 is a wasteful number, since it uses less digits than its factorization.

6394047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814.

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

The square root of 6394047 is about 2528.6452894781. The cubic root of 6394047 is about 185.6059701155.

The spelling of 6394047 in words is "six million, three hundred ninety-four thousand, forty-seven".