8918919 has 12 divisors (see below), whose sum is σ = 12917736. Its totient is φ = 5929872.

The previous prime is 8918911. The next prime is 8918927. The reversal of 8918919 is 9198198.

It is an interprime number because it is at equal distance from previous prime (8918911) and next prime (8918927).

It is not a de Polignac number, because 8918919 - 2³ = 8918911 is a prime.

It is a super-2 number, since 2×8918919² = 159094232257122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8918911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2869 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (1076478).

Almost surely, 2^8918919 is an apocalyptic number.

8918919 is a deficient number, since it is larger than the sum of its proper divisors (3998817).

8918919 is a wasteful number, since it uses less digits than its factorization.

8918919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2683 counting only the distinct ones).

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

The square root of 8918919 is about 2986.4559263448. The cubic root of 8918919 is about 207.3818478664.

The spelling of 8918919 in words is "eight million, nine hundred eighteen thousand, nine hundred nineteen".