8918147 has 12 divisors (see below), whose sum is σ = 10656720. Its totient is φ = 7436016.

The previous prime is 8918141. The next prime is 8918171. The reversal of 8918147 is 7418198.

8918147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8918147 - 2⁴ = 8918131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8918147.

It is not an unprimeable number, because it can be changed into a prime (8918141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647 + ... + 4272.

It is an arithmetic number, because the mean of its divisors is an integer number (888060).

Almost surely, 2^8918147 is an apocalyptic number.

8918147 is a deficient number, since it is larger than the sum of its proper divisors (1738573).

8918147 is a wasteful number, since it uses less digits than its factorization.

8918147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4963 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 8918147 is about 2986.3266733564. The cubic root of 8918147 is about 207.3758642038.

The spelling of 8918147 in words is "eight million, nine hundred eighteen thousand, one hundred forty-seven".