8628047 has 4 divisors (see below), whose sum is σ = 8635320. Its totient is φ = 8620776.

The previous prime is 8628031. The next prime is 8628049. The reversal of 8628047 is 7408268.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8628047 - 2⁴ = 8628031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8627998 and 8628016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8628049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397 + ... + 4382.

It is an arithmetic number, because the mean of its divisors is an integer number (2158830).

Almost surely, 2^8628047 is an apocalyptic number.

8628047 is a deficient number, since it is larger than the sum of its proper divisors (7273).

8628047 is a wasteful number, since it uses less digits than its factorization.

8628047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8628047 is about 2937.3537410397. The cubic root of 8628047 is about 205.1024433450.

The spelling of 8628047 in words is "eight million, six hundred twenty-eight thousand, forty-seven".