8919018 has 32 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 2816208.

The previous prime is 8919011. The next prime is 8919019. The reversal of 8919018 is 8109198.

It is not an unprimeable number, because it can be changed into a prime (8919011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3321 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (652050).

Almost surely, 2^8919018 is an apocalyptic number.

8919018 is an abundant number, since it is smaller than the sum of its proper divisors (11946582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8919018 is a wasteful number, since it uses less digits than its factorization.

8919018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 8919018 is about 2986.4725011290. The cubic root of 8919018 is about 207.3826151764.

The spelling of 8919018 in words is "eight million, nine hundred nineteen thousand, eighteen".