8000247 has 4 divisors (see below), whose sum is σ = 10667000. Its totient is φ = 5333496.

The previous prime is 8000231. The next prime is 8000261. The reversal of 8000247 is 7420008.

It is a happy number.

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

It is not a de Polignac number, because 8000247 - 2⁴ = 8000231 is a prime.

It is a super-2 number, since 2×8000247² = 128007904122018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000747) 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, 1333372 + ... + 1333377.

It is an arithmetic number, because the mean of its divisors is an integer number (2666750).

Almost surely, 2^8000247 is an apocalyptic number.

8000247 is a deficient number, since it is larger than the sum of its proper divisors (2666753).

8000247 is a wasteful number, since it uses less digits than its factorization.

8000247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666752.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8000247 is about 2828.4707882529. The cubic root of 8000247 is about 200.0020583122.

The spelling of 8000247 in words is "eight million, two hundred forty-seven", and thus it is an aban number.