8000047 has 16 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 6778240.

The previous prime is 8000033. The next prime is 8000051. The reversal of 8000047 is 7400008.

It is a happy number.

It is not a de Polignac number, because 8000047 - 2⁷ = 7999919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7999988 and 8000033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000017) 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, 33354 + ... + 33592.

It is an arithmetic number, because the mean of its divisors is an integer number (583200).

Almost surely, 2^8000047 is an apocalyptic number.

8000047 is a deficient number, since it is larger than the sum of its proper divisors (1331153).

8000047 is a wasteful number, since it uses less digits than its factorization.

8000047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

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

The square root of 8000047 is about 2828.4354332387. The cubic root of 8000047 is about 200.0003916659. Note that the first 3 decimals are identical.

The spelling of 8000047 in words is "eight million, forty-seven", and thus it is an aban number and an uban number.