8006947 has 4 divisors (see below), whose sum is σ = 8622880. Its totient is φ = 7391016.

The previous prime is 8006941. The next prime is 8006989. The reversal of 8006947 is 7496008.

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 8006947 - 2³ = 8006939 is a prime.

It is a super-2 number, since 2×8006947² = 128222400521618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8006941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307947 + ... + 307972.

It is an arithmetic number, because the mean of its divisors is an integer number (2155720).

Almost surely, 2^8006947 is an apocalyptic number.

8006947 is a deficient number, since it is larger than the sum of its proper divisors (615933).

8006947 is a wasteful number, since it uses less digits than its factorization.

8006947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615932.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8006947 is about 2829.6549259583. The cubic root of 8006947 is about 200.0578749175.

The spelling of 8006947 in words is "eight million, six thousand, nine hundred forty-seven".