8919918 has 24 divisors (see below), whose sum is σ = 22087728. Its totient is φ = 2548512.

The previous prime is 8919913. The next prime is 8919931. The reversal of 8919918 is 8199198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8919913) 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 11 ways as a sum of consecutive naturals, for example, 35271 + ... + 35522.

It is an arithmetic number, because the mean of its divisors is an integer number (920322).

Almost surely, 2^8919918 is an apocalyptic number.

8919918 is an abundant number, since it is smaller than the sum of its proper divisors (13167810).

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

8919918 is a wasteful number, since it uses less digits than its factorization.

8919918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70808 (or 70805 counting only the distinct ones).

The product of its digits is 46656, while the sum is 45.

The square root of 8919918 is about 2986.6231767667. The cubic root of 8919918 is about 207.3895904614.

The spelling of 8919918 in words is "eight million, nine hundred nineteen thousand, nine hundred eighteen".