8247055 has 4 divisors (see below), whose sum is σ = 9896472. Its totient is φ = 6597640.

The previous prime is 8246993. The next prime is 8247077. The reversal of 8247055 is 5507428.

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

It is a de Polignac number, because none of the positive numbers 2^k-8247055 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824701 + ... + 824710.

It is an arithmetic number, because the mean of its divisors is an integer number (2474118).

Almost surely, 2^8247055 is an apocalyptic number.

8247055 is a deficient number, since it is larger than the sum of its proper divisors (1649417).

8247055 is a wasteful number, since it uses less digits than its factorization.

8247055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649416.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 8247055 is about 2871.7686188132. The cubic root of 8247055 is about 202.0379548325.

The spelling of 8247055 in words is "eight million, two hundred forty-seven thousand, fifty-five".