8047 has 4 divisors (see below), whose sum is σ = 8680. Its totient is φ = 7416.

The previous prime is 8039. The next prime is 8053. The reversal of 8047 is 7408.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8047 - 2³ = 8039 is a prime.

It is a Duffinian number.

8047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 322.

It is an arithmetic number, because the mean of its divisors is an integer number (2170).

2⁸⁰⁴⁷ is an apocalyptic number.

8047 is a deficient number, since it is larger than the sum of its proper divisors (633).

8047 is a wasteful number, since it uses less digits than its factorization.

8047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 8047 is about 89.7050723204. The cubic root of 8047 is about 20.0390902146.

The spelling of 8047 in words is "eight thousand, forty-seven".